Home / 717,457,515.10-1,076,186,272.65-656,235,511.90

Finding the Fourth Proportional to 717,457,515.10, 1,076,186,272.65 and 656,235,511.90

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Solution

The fourth proportional to 717,457,515.10, 1,076,186,272.65 and 656,235,511.90 is: 984,353,267.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,457,515.10 : 1,076,186,272.65 = 656,235,511.90 : x
  2. Step 2: Convert to fraction form
    717,457,515.10/1,076,186,272.65 = 656,235,511.90/x
  3. Step 3: Cross multiply
    717,457,515.10x = 1,076,186,272.65 × 656,235,511.90
  4. Step 4: Simplify right side
    717,457,515.10x = 706,231,649,532,225,792
  5. Step 5: Solve for x
    x = 706,231,649,532,225,792/717,457,515.10
  6. Step 6: Final answer
    x = 984,353,267.85

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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.