Home / 342,042,789.48-472,411,260.95-225,090,191.85

Finding the Fourth Proportional to 342,042,789.48, 472,411,260.95 and 225,090,191.85

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Solution

The fourth proportional to 342,042,789.48, 472,411,260.95 and 225,090,191.85 is: 310,882,569.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,042,789.48 : 472,411,260.95 = 225,090,191.85 : x
  2. Step 2: Convert to fraction form
    342,042,789.48/472,411,260.95 = 225,090,191.85/x
  3. Step 3: Cross multiply
    342,042,789.48x = 472,411,260.95 × 225,090,191.85
  4. Step 4: Simplify right side
    342,042,789.48x = 106,335,141,359,335,904
  5. Step 5: Solve for x
    x = 106,335,141,359,335,904/342,042,789.48
  6. Step 6: Final answer
    x = 310,882,569.75

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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.