Home / 266,272,605,957.15-399,546,228,074.94-124,796,400,631.11

Finding the Fourth Proportional to 266,272,605,957.15, 399,546,228,074.94 and 124,796,400,631.11

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Solution

The fourth proportional to 266,272,605,957.15, 399,546,228,074.94 and 124,796,400,631.11 is: 187,258,959,554.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,272,605,957.15 : 399,546,228,074.94 = 124,796,400,631.11 : x
  2. Step 2: Convert to fraction form
    266,272,605,957.15/399,546,228,074.94 = 124,796,400,631.11/x
  3. Step 3: Cross multiply
    266,272,605,957.15x = 399,546,228,074.94 × 124,796,400,631.11
  4. Step 4: Simplify right side
    266,272,605,957.15x = 49,861,931,149,489,065,689,088
  5. Step 5: Solve for x
    x = 49,861,931,149,489,065,689,088/266,272,605,957.15
  6. Step 6: Final answer
    x = 187,258,959,554.83

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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.