Home / 538,278,519.60-807,417,779.40-293,390,506.80

Finding the Fourth Proportional to 538,278,519.60, 807,417,779.40 and 293,390,506.80

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Solution

The fourth proportional to 538,278,519.60, 807,417,779.40 and 293,390,506.80 is: 440,085,760.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,278,519.60 : 807,417,779.40 = 293,390,506.80 : x
  2. Step 2: Convert to fraction form
    538,278,519.60/807,417,779.40 = 293,390,506.80/x
  3. Step 3: Cross multiply
    538,278,519.60x = 807,417,779.40 × 293,390,506.80
  4. Step 4: Simplify right side
    538,278,519.60x = 236,888,711,497,496,608
  5. Step 5: Solve for x
    x = 236,888,711,497,496,608/538,278,519.60
  6. Step 6: Final answer
    x = 440,085,760.20

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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.