Home / 1,178,079,635.46-1,625,754,824.57-649,432,017.66

Finding the Fourth Proportional to 1,178,079,635.46, 1,625,754,824.57 and 649,432,017.66

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Solution

The fourth proportional to 1,178,079,635.46, 1,625,754,824.57 and 649,432,017.66 is: 896,218,900.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,178,079,635.46 : 1,625,754,824.57 = 649,432,017.66 : x
  2. Step 2: Convert to fraction form
    1,178,079,635.46/1,625,754,824.57 = 649,432,017.66/x
  3. Step 3: Cross multiply
    1,178,079,635.46x = 1,625,754,824.57 × 649,432,017.66
  4. Step 4: Simplify right side
    1,178,079,635.46x = 1,055,817,235,929,598,464
  5. Step 5: Solve for x
    x = 1,055,817,235,929,598,464/1,178,079,635.46
  6. Step 6: Final answer
    x = 896,218,900.79

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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.