Home / 28,109,265,001.76-42,162,412,516.11-9,220,064,517.25

Finding the Fourth Proportional to 28,109,265,001.76, 42,162,412,516.11 and 9,220,064,517.25

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Solution

The fourth proportional to 28,109,265,001.76, 42,162,412,516.11 and 9,220,064,517.25 is: 13,829,609,688.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,109,265,001.76 : 42,162,412,516.11 = 9,220,064,517.25 : x
  2. Step 2: Convert to fraction form
    28,109,265,001.76/42,162,412,516.11 = 9,220,064,517.25/x
  3. Step 3: Cross multiply
    28,109,265,001.76x = 42,162,412,516.11 × 9,220,064,517.25
  4. Step 4: Simplify right side
    28,109,265,001.76x = 388,740,163,601,337,679,872
  5. Step 5: Solve for x
    x = 388,740,163,601,337,679,872/28,109,265,001.76
  6. Step 6: Final answer
    x = 13,829,609,688.37

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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.