Home / 3,117,979,110.24-4,302,264,237.84-1,779,257,973.60

Finding the Fourth Proportional to 3,117,979,110.24, 4,302,264,237.84 and 1,779,257,973.60

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Solution

The fourth proportional to 3,117,979,110.24, 4,302,264,237.84 and 1,779,257,973.60 is: 2,455,063,898.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,117,979,110.24 : 4,302,264,237.84 = 1,779,257,973.60 : x
  2. Step 2: Convert to fraction form
    3,117,979,110.24/4,302,264,237.84 = 1,779,257,973.60/x
  3. Step 3: Cross multiply
    3,117,979,110.24x = 4,302,264,237.84 × 1,779,257,973.60
  4. Step 4: Simplify right side
    3,117,979,110.24x = 7,654,837,949,710,946,304
  5. Step 5: Solve for x
    x = 7,654,837,949,710,946,304/3,117,979,110.24
  6. Step 6: Final answer
    x = 2,455,063,898.46

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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.