Home / 778,337,357.31-1,074,105,519.03-425,913,377.13

Finding the Fourth Proportional to 778,337,357.31, 1,074,105,519.03 and 425,913,377.13

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Solution

The fourth proportional to 778,337,357.31, 1,074,105,519.03 and 425,913,377.13 is: 587,760,441.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,337,357.31 : 1,074,105,519.03 = 425,913,377.13 : x
  2. Step 2: Convert to fraction form
    778,337,357.31/1,074,105,519.03 = 425,913,377.13/x
  3. Step 3: Cross multiply
    778,337,357.31x = 1,074,105,519.03 × 425,913,377.13
  4. Step 4: Simplify right side
    778,337,357.31x = 457,475,909,004,038,784
  5. Step 5: Solve for x
    x = 457,475,909,004,038,784/778,337,357.31
  6. Step 6: Final answer
    x = 587,760,441.80

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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.