Home / 478,095,715.49-659,754,669.20-266,391,607.95

Finding the Fourth Proportional to 478,095,715.49, 659,754,669.20 and 266,391,607.95

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Solution

The fourth proportional to 478,095,715.49, 659,754,669.20 and 266,391,607.95 is: 367,610,713.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,095,715.49 : 659,754,669.20 = 266,391,607.95 : x
  2. Step 2: Convert to fraction form
    478,095,715.49/659,754,669.20 = 266,391,607.95/x
  3. Step 3: Cross multiply
    478,095,715.49x = 659,754,669.20 × 266,391,607.95
  4. Step 4: Simplify right side
    478,095,715.49x = 175,753,107,179,376,384
  5. Step 5: Solve for x
    x = 175,753,107,179,376,384/478,095,715.49
  6. Step 6: Final answer
    x = 367,610,713.69

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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.