Home / 278,418,088.26-417,624,472.89-169,273,393.02

Finding the Fourth Proportional to 278,418,088.26, 417,624,472.89 and 169,273,393.02

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Solution

The fourth proportional to 278,418,088.26, 417,624,472.89 and 169,273,393.02 is: 253,908,472.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,418,088.26 : 417,624,472.89 = 169,273,393.02 : x
  2. Step 2: Convert to fraction form
    278,418,088.26/417,624,472.89 = 169,273,393.02/x
  3. Step 3: Cross multiply
    278,418,088.26x = 417,624,472.89 × 169,273,393.02
  4. Step 4: Simplify right side
    278,418,088.26x = 70,692,711,534,279,304
  5. Step 5: Solve for x
    x = 70,692,711,534,279,304/278,418,088.26
  6. Step 6: Final answer
    x = 253,908,472.60

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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.