Home / 1,264,171,696.20-1,894,982,085.90-574,573,854.60

Finding the Fourth Proportional to 1,264,171,696.20, 1,894,982,085.90 and 574,573,854.60

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Solution

The fourth proportional to 1,264,171,696.20, 1,894,982,085.90 and 574,573,854.60 is: 861,281,078.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,171,696.20 : 1,894,982,085.90 = 574,573,854.60 : x
  2. Step 2: Convert to fraction form
    1,264,171,696.20/1,894,982,085.90 = 574,573,854.60/x
  3. Step 3: Cross multiply
    1,264,171,696.20x = 1,894,982,085.90 × 574,573,854.60
  4. Step 4: Simplify right side
    1,264,171,696.20x = 1,088,807,161,493,511,424
  5. Step 5: Solve for x
    x = 1,088,807,161,493,511,424/1,264,171,696.20
  6. Step 6: Final answer
    x = 861,281,078.17

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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.