Home / 778,337,360.31-1,074,105,523.17-425,913,380.13

Finding the Fourth Proportional to 778,337,360.31, 1,074,105,523.17 and 425,913,380.13

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Solution

The fourth proportional to 778,337,360.31, 1,074,105,523.17 and 425,913,380.13 is: 587,760,445.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,337,360.31 : 1,074,105,523.17 = 425,913,380.13 : x
  2. Step 2: Convert to fraction form
    778,337,360.31/1,074,105,523.17 = 425,913,380.13/x
  3. Step 3: Cross multiply
    778,337,360.31x = 1,074,105,523.17 × 425,913,380.13
  4. Step 4: Simplify right side
    778,337,360.31x = 457,475,913,989,636,736
  5. Step 5: Solve for x
    x = 457,475,913,989,636,736/778,337,360.31
  6. Step 6: Final answer
    x = 587,760,445.94

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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.