Home / 717,450,719.10-1,076,176,078.65-656,228,715.90

Finding the Fourth Proportional to 717,450,719.10, 1,076,176,078.65 and 656,228,715.90

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Solution

The fourth proportional to 717,450,719.10, 1,076,176,078.65 and 656,228,715.90 is: 984,343,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,450,719.10 : 1,076,176,078.65 = 656,228,715.90 : x
  2. Step 2: Convert to fraction form
    717,450,719.10/1,076,176,078.65 = 656,228,715.90/x
  3. Step 3: Cross multiply
    717,450,719.10x = 1,076,176,078.65 × 656,228,715.90
  4. Step 4: Simplify right side
    717,450,719.10x = 706,217,646,174,786,944
  5. Step 5: Solve for x
    x = 706,217,646,174,786,944/717,450,719.10
  6. Step 6: Final answer
    x = 984,343,073.85

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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.