Home / 914,172,340.60-1,261,635,635.46-517,765,848.58

Finding the Fourth Proportional to 914,172,340.60, 1,261,635,635.46 and 517,765,848.58

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Solution

The fourth proportional to 914,172,340.60, 1,261,635,635.46 and 517,765,848.58 is: 714,560,938.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,172,340.60 : 1,261,635,635.46 = 517,765,848.58 : x
  2. Step 2: Convert to fraction form
    914,172,340.60/1,261,635,635.46 = 517,765,848.58/x
  3. Step 3: Cross multiply
    914,172,340.60x = 1,261,635,635.46 × 517,765,848.58
  4. Step 4: Simplify right side
    914,172,340.60x = 653,231,845,392,714,496
  5. Step 5: Solve for x
    x = 653,231,845,392,714,496/914,172,340.60
  6. Step 6: Final answer
    x = 714,560,938.22

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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.