Home / 880,920,713.60-1,215,326,518.17-504,376,060.79

Finding the Fourth Proportional to 880,920,713.60, 1,215,326,518.17 and 504,376,060.79

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Solution

The fourth proportional to 880,920,713.60, 1,215,326,518.17 and 504,376,060.79 is: 695,841,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,920,713.60 : 1,215,326,518.17 = 504,376,060.79 : x
  2. Step 2: Convert to fraction form
    880,920,713.60/1,215,326,518.17 = 504,376,060.79/x
  3. Step 3: Cross multiply
    880,920,713.60x = 1,215,326,518.17 × 504,376,060.79
  4. Step 4: Simplify right side
    880,920,713.60x = 612,981,601,802,134,400
  5. Step 5: Solve for x
    x = 612,981,601,802,134,400/880,920,713.60
  6. Step 6: Final answer
    x = 695,841,966.64

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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.