Home / 515,041,230.70-772,561,846.05-494,952,760.90

Finding the Fourth Proportional to 515,041,230.70, 772,561,846.05 and 494,952,760.90

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Solution

The fourth proportional to 515,041,230.70, 772,561,846.05 and 494,952,760.90 is: 742,429,141.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,041,230.70 : 772,561,846.05 = 494,952,760.90 : x
  2. Step 2: Convert to fraction form
    515,041,230.70/772,561,846.05 = 494,952,760.90/x
  3. Step 3: Cross multiply
    515,041,230.70x = 772,561,846.05 × 494,952,760.90
  4. Step 4: Simplify right side
    515,041,230.70x = 382,381,618,668,448,192
  5. Step 5: Solve for x
    x = 382,381,618,668,448,192/515,041,230.70
  6. Step 6: Final answer
    x = 742,429,141.35

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Why These Related Problems?

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