Home / 492,034,266-679,021,458.84-272,031,863.76

Finding the Fourth Proportional to 492,034,266, 679,021,458.84 and 272,031,863.76

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Solution

The fourth proportional to 492,034,266, 679,021,458.84 and 272,031,863.76 is: 375,411,807.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,034,266 : 679,021,458.84 = 272,031,863.76 : x
  2. Step 2: Convert to fraction form
    492,034,266/679,021,458.84 = 272,031,863.76/x
  3. Step 3: Cross multiply
    492,034,266x = 679,021,458.84 × 272,031,863.76
  4. Step 4: Simplify right side
    492,034,266x = 184,715,472,981,279,328
  5. Step 5: Solve for x
    x = 184,715,472,981,279,328/492,034,266
  6. Step 6: Final answer
    x = 375,411,807.16

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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.