Home / 278,802,937.87-418,149,294.40-264,976,548.91

Finding the Fourth Proportional to 278,802,937.87, 418,149,294.40 and 264,976,548.91

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Solution

The fourth proportional to 278,802,937.87, 418,149,294.40 and 264,976,548.91 is: 397,412,444.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,802,937.87 : 418,149,294.40 = 264,976,548.91 : x
  2. Step 2: Convert to fraction form
    278,802,937.87/418,149,294.40 = 264,976,548.91/x
  3. Step 3: Cross multiply
    278,802,937.87x = 418,149,294.40 × 264,976,548.91
  4. Step 4: Simplify right side
    278,802,937.87x = 110,799,756,959,263,584
  5. Step 5: Solve for x
    x = 110,799,756,959,263,584/278,802,937.87
  6. Step 6: Final answer
    x = 397,412,444.09

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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.