Home / 717,830,615.70-1,076,745,923.55-614,518,485.30

Finding the Fourth Proportional to 717,830,615.70, 1,076,745,923.55 and 614,518,485.30

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Solution

The fourth proportional to 717,830,615.70, 1,076,745,923.55 and 614,518,485.30 is: 921,777,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,830,615.70 : 1,076,745,923.55 = 614,518,485.30 : x
  2. Step 2: Convert to fraction form
    717,830,615.70/1,076,745,923.55 = 614,518,485.30/x
  3. Step 3: Cross multiply
    717,830,615.70x = 1,076,745,923.55 × 614,518,485.30
  4. Step 4: Simplify right side
    717,830,615.70x = 661,680,273,992,895,488
  5. Step 5: Solve for x
    x = 661,680,273,992,895,488/717,830,615.70
  6. Step 6: Final answer
    x = 921,777,727.95

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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.