Home / 708,588,857.70-1,062,883,286.55-684,780,300.90

Finding the Fourth Proportional to 708,588,857.70, 1,062,883,286.55 and 684,780,300.90

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Solution

The fourth proportional to 708,588,857.70, 1,062,883,286.55 and 684,780,300.90 is: 1,027,170,451.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,588,857.70 : 1,062,883,286.55 = 684,780,300.90 : x
  2. Step 2: Convert to fraction form
    708,588,857.70/1,062,883,286.55 = 684,780,300.90/x
  3. Step 3: Cross multiply
    708,588,857.70x = 1,062,883,286.55 × 684,780,300.90
  4. Step 4: Simplify right side
    708,588,857.70x = 727,841,536,785,289,856
  5. Step 5: Solve for x
    x = 727,841,536,785,289,856/708,588,857.70
  6. Step 6: Final answer
    x = 1,027,170,451.35

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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.