Home / 695,517,687.60-1,043,276,531.40-522,055,345.20

Finding the Fourth Proportional to 695,517,687.60, 1,043,276,531.40 and 522,055,345.20

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Solution

The fourth proportional to 695,517,687.60, 1,043,276,531.40 and 522,055,345.20 is: 783,083,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,517,687.60 : 1,043,276,531.40 = 522,055,345.20 : x
  2. Step 2: Convert to fraction form
    695,517,687.60/1,043,276,531.40 = 522,055,345.20/x
  3. Step 3: Cross multiply
    695,517,687.60x = 1,043,276,531.40 × 522,055,345.20
  4. Step 4: Simplify right side
    695,517,687.60x = 544,648,089,739,085,632
  5. Step 5: Solve for x
    x = 544,648,089,739,085,632/695,517,687.60
  6. Step 6: Final answer
    x = 783,083,017.80

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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.