Home / 852,908,646.52-1,279,441,044.06-239,488,738.84

Finding the Fourth Proportional to 852,908,646.52, 1,279,441,044.06 and 239,488,738.84

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Solution

The fourth proportional to 852,908,646.52, 1,279,441,044.06 and 239,488,738.84 is: 359,255,030.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,908,646.52 : 1,279,441,044.06 = 239,488,738.84 : x
  2. Step 2: Convert to fraction form
    852,908,646.52/1,279,441,044.06 = 239,488,738.84/x
  3. Step 3: Cross multiply
    852,908,646.52x = 1,279,441,044.06 × 239,488,738.84
  4. Step 4: Simplify right side
    852,908,646.52x = 306,411,722,062,062,272
  5. Step 5: Solve for x
    x = 306,411,722,062,062,272/852,908,646.52
  6. Step 6: Final answer
    x = 359,255,030.78

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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.