Home / 708,589,638.70-1,062,884,458.05-704,284,966.60

Finding the Fourth Proportional to 708,589,638.70, 1,062,884,458.05 and 704,284,966.60

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Solution

The fourth proportional to 708,589,638.70, 1,062,884,458.05 and 704,284,966.60 is: 1,056,427,449.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,589,638.70 : 1,062,884,458.05 = 704,284,966.60 : x
  2. Step 2: Convert to fraction form
    708,589,638.70/1,062,884,458.05 = 704,284,966.60/x
  3. Step 3: Cross multiply
    708,589,638.70x = 1,062,884,458.05 × 704,284,966.60
  4. Step 4: Simplify right side
    708,589,638.70x = 748,573,545,037,403,392
  5. Step 5: Solve for x
    x = 748,573,545,037,403,392/708,589,638.70
  6. Step 6: Final answer
    x = 1,056,427,449.90

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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.