Home / 295,032,543.40-442,548,815.10-279,915,999.40

Finding the Fourth Proportional to 295,032,543.40, 442,548,815.10 and 279,915,999.40

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Solution

The fourth proportional to 295,032,543.40, 442,548,815.10 and 279,915,999.40 is: 419,873,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,032,543.40 : 442,548,815.10 = 279,915,999.40 : x
  2. Step 2: Convert to fraction form
    295,032,543.40/442,548,815.10 = 279,915,999.40/x
  3. Step 3: Cross multiply
    295,032,543.40x = 442,548,815.10 × 279,915,999.40
  4. Step 4: Simplify right side
    295,032,543.40x = 123,876,493,862,002,304
  5. Step 5: Solve for x
    x = 123,876,493,862,002,304/295,032,543.40
  6. Step 6: Final answer
    x = 419,873,999.10

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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.