Home / 340,261,046.40-510,391,569.60-322,345,142.40

Finding the Fourth Proportional to 340,261,046.40, 510,391,569.60 and 322,345,142.40

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Solution

The fourth proportional to 340,261,046.40, 510,391,569.60 and 322,345,142.40 is: 483,517,713.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,261,046.40 : 510,391,569.60 = 322,345,142.40 : x
  2. Step 2: Convert to fraction form
    340,261,046.40/510,391,569.60 = 322,345,142.40/x
  3. Step 3: Cross multiply
    340,261,046.40x = 510,391,569.60 × 322,345,142.40
  4. Step 4: Simplify right side
    340,261,046.40x = 164,522,243,182,471,520
  5. Step 5: Solve for x
    x = 164,522,243,182,471,520/340,261,046.40
  6. Step 6: Final answer
    x = 483,517,713.60

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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.