Home / 974,311,761.90-1,461,467,642.85-767,687,501.10

Finding the Fourth Proportional to 974,311,761.90, 1,461,467,642.85 and 767,687,501.10

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Solution

The fourth proportional to 974,311,761.90, 1,461,467,642.85 and 767,687,501.10 is: 1,151,531,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,311,761.90 : 1,461,467,642.85 = 767,687,501.10 : x
  2. Step 2: Convert to fraction form
    974,311,761.90/1,461,467,642.85 = 767,687,501.10/x
  3. Step 3: Cross multiply
    974,311,761.90x = 1,461,467,642.85 × 767,687,501.10
  4. Step 4: Simplify right side
    974,311,761.90x = 1,121,950,442,678,023,680
  5. Step 5: Solve for x
    x = 1,121,950,442,678,023,680/974,311,761.90
  6. Step 6: Final answer
    x = 1,151,531,251.65

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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.