Home / 880,920,714.60-1,215,326,519.56-504,376,061.78

Finding the Fourth Proportional to 880,920,714.60, 1,215,326,519.56 and 504,376,061.78

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Solution

The fourth proportional to 880,920,714.60, 1,215,326,519.56 and 504,376,061.78 is: 695,841,968.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,920,714.60 : 1,215,326,519.56 = 504,376,061.78 : x
  2. Step 2: Convert to fraction form
    880,920,714.60/1,215,326,519.56 = 504,376,061.78/x
  3. Step 3: Cross multiply
    880,920,714.60x = 1,215,326,519.56 × 504,376,061.78
  4. Step 4: Simplify right side
    880,920,714.60x = 612,981,603,712,466,816
  5. Step 5: Solve for x
    x = 612,981,603,712,466,816/880,920,714.60
  6. Step 6: Final answer
    x = 695,841,968.02

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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.