Home / 540,021,392.52-745,229,546.88-292,502,746.56

Finding the Fourth Proportional to 540,021,392.52, 745,229,546.88 and 292,502,746.56

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Solution

The fourth proportional to 540,021,392.52, 745,229,546.88 and 292,502,746.56 is: 403,653,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,021,392.52 : 745,229,546.88 = 292,502,746.56 : x
  2. Step 2: Convert to fraction form
    540,021,392.52/745,229,546.88 = 292,502,746.56/x
  3. Step 3: Cross multiply
    540,021,392.52x = 745,229,546.88 × 292,502,746.56
  4. Step 4: Simplify right side
    540,021,392.52x = 217,981,689,280,064,288
  5. Step 5: Solve for x
    x = 217,981,689,280,064,288/540,021,392.52
  6. Step 6: Final answer
    x = 403,653,803.90

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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.