Home / 717,830,581.95-1,076,745,872.93-614,518,451.55

Finding the Fourth Proportional to 717,830,581.95, 1,076,745,872.93 and 614,518,451.55

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Solution

The fourth proportional to 717,830,581.95, 1,076,745,872.93 and 614,518,451.55 is: 921,777,677.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,830,581.95 : 1,076,745,872.93 = 614,518,451.55 : x
  2. Step 2: Convert to fraction form
    717,830,581.95/1,076,745,872.93 = 614,518,451.55/x
  3. Step 3: Cross multiply
    717,830,581.95x = 1,076,745,872.93 × 614,518,451.55
  4. Step 4: Simplify right side
    717,830,581.95x = 661,680,206,542,723,968
  5. Step 5: Solve for x
    x = 661,680,206,542,723,968/717,830,581.95
  6. Step 6: Final answer
    x = 921,777,677.33

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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.