Home / 586,904,865.20-880,329,304.20-198,689,620.40

Finding the Fourth Proportional to 586,904,865.20, 880,329,304.20 and 198,689,620.40

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Solution

The fourth proportional to 586,904,865.20, 880,329,304.20 and 198,689,620.40 is: 298,024,953.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,904,865.20 : 880,329,304.20 = 198,689,620.40 : x
  2. Step 2: Convert to fraction form
    586,904,865.20/880,329,304.20 = 198,689,620.40/x
  3. Step 3: Cross multiply
    586,904,865.20x = 880,329,304.20 × 198,689,620.40
  4. Step 4: Simplify right side
    586,904,865.20x = 174,912,295,278,494,144
  5. Step 5: Solve for x
    x = 174,912,295,278,494,144/586,904,865.20
  6. Step 6: Final answer
    x = 298,024,953.70

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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.