Home / 657,072,132.60-985,608,198.90-398,579,230.20

Finding the Fourth Proportional to 657,072,132.60, 985,608,198.90 and 398,579,230.20

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Solution

The fourth proportional to 657,072,132.60, 985,608,198.90 and 398,579,230.20 is: 597,868,845.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,072,132.60 : 985,608,198.90 = 398,579,230.20 : x
  2. Step 2: Convert to fraction form
    657,072,132.60/985,608,198.90 = 398,579,230.20/x
  3. Step 3: Cross multiply
    657,072,132.60x = 985,608,198.90 × 398,579,230.20
  4. Step 4: Simplify right side
    657,072,132.60x = 392,842,957,196,370,496
  5. Step 5: Solve for x
    x = 392,842,957,196,370,496/657,072,132.60
  6. Step 6: Final answer
    x = 597,868,845.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.