Home / 3,942,496,013.38-5,440,635,983.61-2,158,335,005.50

Finding the Fourth Proportional to 3,942,496,013.38, 5,440,635,983.61 and 2,158,335,005.50

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Solution

The fourth proportional to 3,942,496,013.38, 5,440,635,983.61 and 2,158,335,005.50 is: 2,978,497,646.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,942,496,013.38 : 5,440,635,983.61 = 2,158,335,005.50 : x
  2. Step 2: Convert to fraction form
    3,942,496,013.38/5,440,635,983.61 = 2,158,335,005.50/x
  3. Step 3: Cross multiply
    3,942,496,013.38x = 5,440,635,983.61 × 2,158,335,005.50
  4. Step 4: Simplify right side
    3,942,496,013.38x = 11,742,715,095,608,385,536
  5. Step 5: Solve for x
    x = 11,742,715,095,608,385,536/3,942,496,013.38
  6. Step 6: Final answer
    x = 2,978,497,646.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.