Home / 539,438,008.40-809,065,747.92-151,171,478.72

Finding the Fourth Proportional to 539,438,008.40, 809,065,747.92 and 151,171,478.72

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Solution

The fourth proportional to 539,438,008.40, 809,065,747.92 and 151,171,478.72 is: 226,731,642.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,438,008.40 : 809,065,747.92 = 151,171,478.72 : x
  2. Step 2: Convert to fraction form
    539,438,008.40/809,065,747.92 = 151,171,478.72/x
  3. Step 3: Cross multiply
    539,438,008.40x = 809,065,747.92 × 151,171,478.72
  4. Step 4: Simplify right side
    539,438,008.40x = 122,307,665,494,769,152
  5. Step 5: Solve for x
    x = 122,307,665,494,769,152/539,438,008.40
  6. Step 6: Final answer
    x = 226,731,642.17

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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.