Home / 387,503,280.32-534,884,108.80-230,919,488.96

Finding the Fourth Proportional to 387,503,280.32, 534,884,108.80 and 230,919,488.96

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Solution

The fourth proportional to 387,503,280.32, 534,884,108.80 and 230,919,488.96 is: 318,746,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    387,503,280.32 : 534,884,108.80 = 230,919,488.96 : x
  2. Step 2: Convert to fraction form
    387,503,280.32/534,884,108.80 = 230,919,488.96/x
  3. Step 3: Cross multiply
    387,503,280.32x = 534,884,108.80 × 230,919,488.96
  4. Step 4: Simplify right side
    387,503,280.32x = 123,515,165,056,921,040
  5. Step 5: Solve for x
    x = 123,515,165,056,921,040/387,503,280.32
  6. Step 6: Final answer
    x = 318,746,114.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.