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Finding the Fourth Proportional to 615,653,275.05, 923,485,891.25 and 492,525,710.86

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Solution

The fourth proportional to 615,653,275.05, 923,485,891.25 and 492,525,710.86 is: 738,793,349.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    615,653,275.05 : 923,485,891.25 = 492,525,710.86 : x
  2. Step 2: Convert to fraction form
    615,653,275.05/923,485,891.25 = 492,525,710.86/x
  3. Step 3: Cross multiply
    615,653,275.05x = 923,485,891.25 × 492,525,710.86
  4. Step 4: Simplify right side
    615,653,275.05x = 454,840,545,057,086,912
  5. Step 5: Solve for x
    x = 454,840,545,057,086,912/615,653,275.05
  6. Step 6: Final answer
    x = 738,793,349.26

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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.