Home / 710,080,659.60-1,065,120,989.40-632,986,285.20

Finding the Fourth Proportional to 710,080,659.60, 1,065,120,989.40 and 632,986,285.20

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Solution

The fourth proportional to 710,080,659.60, 1,065,120,989.40 and 632,986,285.20 is: 949,479,427.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,080,659.60 : 1,065,120,989.40 = 632,986,285.20 : x
  2. Step 2: Convert to fraction form
    710,080,659.60/1,065,120,989.40 = 632,986,285.20/x
  3. Step 3: Cross multiply
    710,080,659.60x = 1,065,120,989.40 × 632,986,285.20
  4. Step 4: Simplify right side
    710,080,659.60x = 674,206,978,368,854,656
  5. Step 5: Solve for x
    x = 674,206,978,368,854,656/710,080,659.60
  6. Step 6: Final answer
    x = 949,479,427.80

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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.