Home / 717,885,811.70-1,076,828,717.55-614,573,681.30

Finding the Fourth Proportional to 717,885,811.70, 1,076,828,717.55 and 614,573,681.30

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Solution

The fourth proportional to 717,885,811.70, 1,076,828,717.55 and 614,573,681.30 is: 921,860,521.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,885,811.70 : 1,076,828,717.55 = 614,573,681.30 : x
  2. Step 2: Convert to fraction form
    717,885,811.70/1,076,828,717.55 = 614,573,681.30/x
  3. Step 3: Cross multiply
    717,885,811.70x = 1,076,828,717.55 × 614,573,681.30
  4. Step 4: Simplify right side
    717,885,811.70x = 661,790,589,074,261,376
  5. Step 5: Solve for x
    x = 661,790,589,074,261,376/717,885,811.70
  6. Step 6: Final answer
    x = 921,860,521.95

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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.