Home / 539,363,979.28-744,192,849-327,666,578.32

Finding the Fourth Proportional to 539,363,979.28, 744,192,849 and 327,666,578.32

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Solution

The fourth proportional to 539,363,979.28, 744,192,849 and 327,666,578.32 is: 452,101,241.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,363,979.28 : 744,192,849 = 327,666,578.32 : x
  2. Step 2: Convert to fraction form
    539,363,979.28/744,192,849 = 327,666,578.32/x
  3. Step 3: Cross multiply
    539,363,979.28x = 744,192,849 × 327,666,578.32
  4. Step 4: Simplify right side
    539,363,979.28x = 243,847,124,442,042,432
  5. Step 5: Solve for x
    x = 243,847,124,442,042,432/539,363,979.28
  6. Step 6: Final answer
    x = 452,101,241.11

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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.