Home / 653,472,849.60-901,792,720.08-356,115,173.52

Finding the Fourth Proportional to 653,472,849.60, 901,792,720.08 and 356,115,173.52

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Solution

The fourth proportional to 653,472,849.60, 901,792,720.08 and 356,115,173.52 is: 491,439,041.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,472,849.60 : 901,792,720.08 = 356,115,173.52 : x
  2. Step 2: Convert to fraction form
    653,472,849.60/901,792,720.08 = 356,115,173.52/x
  3. Step 3: Cross multiply
    653,472,849.60x = 901,792,720.08 × 356,115,173.52
  4. Step 4: Simplify right side
    653,472,849.60x = 321,142,070,990,361,984
  5. Step 5: Solve for x
    x = 321,142,070,990,361,984/653,472,849.60
  6. Step 6: Final answer
    x = 491,439,041.71

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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.