Home / 478,553,760.30-717,830,640.45-409,679,006.70

Finding the Fourth Proportional to 478,553,760.30, 717,830,640.45 and 409,679,006.70

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Solution

The fourth proportional to 478,553,760.30, 717,830,640.45 and 409,679,006.70 is: 614,518,510.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,553,760.30 : 717,830,640.45 = 409,679,006.70 : x
  2. Step 2: Convert to fraction form
    478,553,760.30/717,830,640.45 = 409,679,006.70/x
  3. Step 3: Cross multiply
    478,553,760.30x = 717,830,640.45 × 409,679,006.70
  4. Step 4: Simplify right side
    478,553,760.30x = 294,080,143,758,380,864
  5. Step 5: Solve for x
    x = 294,080,143,758,380,864/478,553,760.30
  6. Step 6: Final answer
    x = 614,518,510.05

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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.