Home / 2,712,955,631.31-4,068,982,085.59-821,702,150.70

Finding the Fourth Proportional to 2,712,955,631.31, 4,068,982,085.59 and 821,702,150.70

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Solution

The fourth proportional to 2,712,955,631.31, 4,068,982,085.59 and 821,702,150.70 is: 1,232,416,517.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,712,955,631.31 : 4,068,982,085.59 = 821,702,150.70 : x
  2. Step 2: Convert to fraction form
    2,712,955,631.31/4,068,982,085.59 = 821,702,150.70/x
  3. Step 3: Cross multiply
    2,712,955,631.31x = 4,068,982,085.59 × 821,702,150.70
  4. Step 4: Simplify right side
    2,712,955,631.31x = 3,343,491,330,893,749,760
  5. Step 5: Solve for x
    x = 3,343,491,330,893,749,760/2,712,955,631.31
  6. Step 6: Final answer
    x = 1,232,416,517.36

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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.