Home / 278,560,583.12-384,008,456.04-194,668,252.40

Finding the Fourth Proportional to 278,560,583.12, 384,008,456.04 and 194,668,252.40

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Solution

The fourth proportional to 278,560,583.12, 384,008,456.04 and 194,668,252.40 is: 268,359,055.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,560,583.12 : 384,008,456.04 = 194,668,252.40 : x
  2. Step 2: Convert to fraction form
    278,560,583.12/384,008,456.04 = 194,668,252.40/x
  3. Step 3: Cross multiply
    278,560,583.12x = 384,008,456.04 × 194,668,252.40
  4. Step 4: Simplify right side
    278,560,583.12x = 74,754,255,044,129,024
  5. Step 5: Solve for x
    x = 74,754,255,044,129,024/278,560,583.12
  6. Step 6: Final answer
    x = 268,359,055.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.