Home / 1,997,181,005.80-2,989,932,251.10-1,423,872,077.80

Finding the Fourth Proportional to 1,997,181,005.80, 2,989,932,251.10 and 1,423,872,077.80

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Solution

The fourth proportional to 1,997,181,005.80, 2,989,932,251.10 and 1,423,872,077.80 is: 2,131,645,070.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,181,005.80 : 2,989,932,251.10 = 1,423,872,077.80 : x
  2. Step 2: Convert to fraction form
    1,997,181,005.80/2,989,932,251.10 = 1,423,872,077.80/x
  3. Step 3: Cross multiply
    1,997,181,005.80x = 2,989,932,251.10 × 1,423,872,077.80
  4. Step 4: Simplify right side
    1,997,181,005.80x = 4,257,281,046,854,988,288
  5. Step 5: Solve for x
    x = 4,257,281,046,854,988,288/1,997,181,005.80
  6. Step 6: Final answer
    x = 2,131,645,070.97

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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.