Home / 27,781,668,444.31-38,339,051,142.45-15,094,615,986.25

Finding the Fourth Proportional to 27,781,668,444.31, 38,339,051,142.45 and 15,094,615,986.25

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Solution

The fourth proportional to 27,781,668,444.31, 38,339,051,142.45 and 15,094,615,986.25 is: 20,830,759,514.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,781,668,444.31 : 38,339,051,142.45 = 15,094,615,986.25 : x
  2. Step 2: Convert to fraction form
    27,781,668,444.31/38,339,051,142.45 = 15,094,615,986.25/x
  3. Step 3: Cross multiply
    27,781,668,444.31x = 38,339,051,142.45 × 15,094,615,986.25
  4. Step 4: Simplify right side
    27,781,668,444.31x = 578,713,254,272,482,017,280
  5. Step 5: Solve for x
    x = 578,713,254,272,482,017,280/27,781,668,444.31
  6. Step 6: Final answer
    x = 20,830,759,514.41

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Half scale
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Double scale
Find fourth proportional to 27,781,668,445.31, 38,339,051,143.83 and 15,094,615,987.25
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.