Home / 1,340,854,469.45-2,011,366,720.16-420,767,123.21

Finding the Fourth Proportional to 1,340,854,469.45, 2,011,366,720.16 and 420,767,123.21

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Solution

The fourth proportional to 1,340,854,469.45, 2,011,366,720.16 and 420,767,123.21 is: 631,177,363.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,854,469.45 : 2,011,366,720.16 = 420,767,123.21 : x
  2. Step 2: Convert to fraction form
    1,340,854,469.45/2,011,366,720.16 = 420,767,123.21/x
  3. Step 3: Cross multiply
    1,340,854,469.45x = 2,011,366,720.16 × 420,767,123.21
  4. Step 4: Simplify right side
    1,340,854,469.45x = 846,316,988,559,952,384
  5. Step 5: Solve for x
    x = 846,316,988,559,952,384/1,340,854,469.45
  6. Step 6: Final answer
    x = 631,177,363.27

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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.