Home / 999,758,648.68-1,379,561,902.50-553,710,326.92

Finding the Fourth Proportional to 999,758,648.68, 1,379,561,902.50 and 553,710,326.92

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Solution

The fourth proportional to 999,758,648.68, 1,379,561,902.50 and 553,710,326.92 is: 764,062,079.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,758,648.68 : 1,379,561,902.50 = 553,710,326.92 : x
  2. Step 2: Convert to fraction form
    999,758,648.68/1,379,561,902.50 = 553,710,326.92/x
  3. Step 3: Cross multiply
    999,758,648.68x = 1,379,561,902.50 × 553,710,326.92
  4. Step 4: Simplify right side
    999,758,648.68x = 763,877,672,039,652,096
  5. Step 5: Solve for x
    x = 763,877,672,039,652,096/999,758,648.68
  6. Step 6: Final answer
    x = 764,062,079.43

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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.