Home / 1,238,911,114.08-1,709,719,080.48-674,412,225.60

Finding the Fourth Proportional to 1,238,911,114.08, 1,709,719,080.48 and 674,412,225.60

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Solution

The fourth proportional to 1,238,911,114.08, 1,709,719,080.48 and 674,412,225.60 is: 930,700,707.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,911,114.08 : 1,709,719,080.48 = 674,412,225.60 : x
  2. Step 2: Convert to fraction form
    1,238,911,114.08/1,709,719,080.48 = 674,412,225.60/x
  3. Step 3: Cross multiply
    1,238,911,114.08x = 1,709,719,080.48 × 674,412,225.60
  4. Step 4: Simplify right side
    1,238,911,114.08x = 1,153,055,450,217,302,272
  5. Step 5: Solve for x
    x = 1,153,055,450,217,302,272/1,238,911,114.08
  6. Step 6: Final answer
    x = 930,700,707.35

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Half scale
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Double scale
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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.