Home / 509,092,599.15-763,226,990.91-159,158,629.69

Finding the Fourth Proportional to 509,092,599.15, 763,226,990.91 and 159,158,629.69

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Solution

The fourth proportional to 509,092,599.15, 763,226,990.91 and 159,158,629.69 is: 238,609,168.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,092,599.15 : 763,226,990.91 = 159,158,629.69 : x
  2. Step 2: Convert to fraction form
    509,092,599.15/763,226,990.91 = 159,158,629.69/x
  3. Step 3: Cross multiply
    509,092,599.15x = 763,226,990.91 × 159,158,629.69
  4. Step 4: Simplify right side
    509,092,599.15x = 121,474,162,013,749,616
  5. Step 5: Solve for x
    x = 121,474,162,013,749,616/509,092,599.15
  6. Step 6: Final answer
    x = 238,609,168.97

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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.