Home / 517,468,235.70-776,202,353.55-425,635,230.90

Finding the Fourth Proportional to 517,468,235.70, 776,202,353.55 and 425,635,230.90

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Solution

The fourth proportional to 517,468,235.70, 776,202,353.55 and 425,635,230.90 is: 638,452,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,468,235.70 : 776,202,353.55 = 425,635,230.90 : x
  2. Step 2: Convert to fraction form
    517,468,235.70/776,202,353.55 = 425,635,230.90/x
  3. Step 3: Cross multiply
    517,468,235.70x = 776,202,353.55 × 425,635,230.90
  4. Step 4: Simplify right side
    517,468,235.70x = 330,379,067,978,377,664
  5. Step 5: Solve for x
    x = 330,379,067,978,377,664/517,468,235.70
  6. Step 6: Final answer
    x = 638,452,846.35

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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.