Home / 485,102,692.94-727,653,956.38-153,342,593.78

Finding the Fourth Proportional to 485,102,692.94, 727,653,956.38 and 153,342,593.78

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Solution

The fourth proportional to 485,102,692.94, 727,653,956.38 and 153,342,593.78 is: 230,013,864.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    485,102,692.94 : 727,653,956.38 = 153,342,593.78 : x
  2. Step 2: Convert to fraction form
    485,102,692.94/727,653,956.38 = 153,342,593.78/x
  3. Step 3: Cross multiply
    485,102,692.94x = 727,653,956.38 × 153,342,593.78
  4. Step 4: Simplify right side
    485,102,692.94x = 111,580,345,041,566,560
  5. Step 5: Solve for x
    x = 111,580,345,041,566,560/485,102,692.94
  6. Step 6: Final answer
    x = 230,013,864.42

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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.