Home / 551,004,891.30-760,358,044.89-342,156,553.56

Finding the Fourth Proportional to 551,004,891.30, 760,358,044.89 and 342,156,553.56

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Solution

The fourth proportional to 551,004,891.30, 760,358,044.89 and 342,156,553.56 is: 472,158,218.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,004,891.30 : 760,358,044.89 = 342,156,553.56 : x
  2. Step 2: Convert to fraction form
    551,004,891.30/760,358,044.89 = 342,156,553.56/x
  3. Step 3: Cross multiply
    551,004,891.30x = 760,358,044.89 × 342,156,553.56
  4. Step 4: Simplify right side
    551,004,891.30x = 260,161,488,111,182,176
  5. Step 5: Solve for x
    x = 260,161,488,111,182,176/551,004,891.30
  6. Step 6: Final answer
    x = 472,158,218.95

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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.