Home / 538,003,104.30-807,004,656.45-442,343,724.30

Finding the Fourth Proportional to 538,003,104.30, 807,004,656.45 and 442,343,724.30

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Solution

The fourth proportional to 538,003,104.30, 807,004,656.45 and 442,343,724.30 is: 663,515,586.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,003,104.30 : 807,004,656.45 = 442,343,724.30 : x
  2. Step 2: Convert to fraction form
    538,003,104.30/807,004,656.45 = 442,343,724.30/x
  3. Step 3: Cross multiply
    538,003,104.30x = 807,004,656.45 × 442,343,724.30
  4. Step 4: Simplify right side
    538,003,104.30x = 356,973,445,261,535,040
  5. Step 5: Solve for x
    x = 356,973,445,261,535,040/538,003,104.30
  6. Step 6: Final answer
    x = 663,515,586.45

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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.