Home / 840,061,969.20-1,259,715,040.20-322,320,337.20

Finding the Fourth Proportional to 840,061,969.20, 1,259,715,040.20 and 322,320,337.20

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Solution

The fourth proportional to 840,061,969.20, 1,259,715,040.20 and 322,320,337.20 is: 483,335,505.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,061,969.20 : 1,259,715,040.20 = 322,320,337.20 : x
  2. Step 2: Convert to fraction form
    840,061,969.20/1,259,715,040.20 = 322,320,337.20/x
  3. Step 3: Cross multiply
    840,061,969.20x = 1,259,715,040.20 × 322,320,337.20
  4. Step 4: Simplify right side
    840,061,969.20x = 406,031,776,533,175,552
  5. Step 5: Solve for x
    x = 406,031,776,533,175,552/840,061,969.20
  6. Step 6: Final answer
    x = 483,335,505.50

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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.