Home / 2,086,520,631.40-3,129,780,947.10-1,119,061,815.40

Finding the Fourth Proportional to 2,086,520,631.40, 3,129,780,947.10 and 1,119,061,815.40

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Solution

The fourth proportional to 2,086,520,631.40, 3,129,780,947.10 and 1,119,061,815.40 is: 1,678,592,723.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,086,520,631.40 : 3,129,780,947.10 = 1,119,061,815.40 : x
  2. Step 2: Convert to fraction form
    2,086,520,631.40/3,129,780,947.10 = 1,119,061,815.40/x
  3. Step 3: Cross multiply
    2,086,520,631.40x = 3,129,780,947.10 × 1,119,061,815.40
  4. Step 4: Simplify right side
    2,086,520,631.40x = 3,502,418,348,466,057,728
  5. Step 5: Solve for x
    x = 3,502,418,348,466,057,728/2,086,520,631.40
  6. Step 6: Final answer
    x = 1,678,592,723.10

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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.