Home / 517,468,235.20-776,202,352.80-425,635,230.40

Finding the Fourth Proportional to 517,468,235.20, 776,202,352.80 and 425,635,230.40

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Solution

The fourth proportional to 517,468,235.20, 776,202,352.80 and 425,635,230.40 is: 638,452,845.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,468,235.20 : 776,202,352.80 = 425,635,230.40 : x
  2. Step 2: Convert to fraction form
    517,468,235.20/776,202,352.80 = 425,635,230.40/x
  3. Step 3: Cross multiply
    517,468,235.20x = 776,202,352.80 × 425,635,230.40
  4. Step 4: Simplify right side
    517,468,235.20x = 330,379,067,271,050,048
  5. Step 5: Solve for x
    x = 330,379,067,271,050,048/517,468,235.20
  6. Step 6: Final answer
    x = 638,452,845.60

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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.