Home / 1,268,582,761.74-1,750,656,150.18-711,677,762.58

Finding the Fourth Proportional to 1,268,582,761.74, 1,750,656,150.18 and 711,677,762.58

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Solution

The fourth proportional to 1,268,582,761.74, 1,750,656,150.18 and 711,677,762.58 is: 982,122,010.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,582,761.74 : 1,750,656,150.18 = 711,677,762.58 : x
  2. Step 2: Convert to fraction form
    1,268,582,761.74/1,750,656,150.18 = 711,677,762.58/x
  3. Step 3: Cross multiply
    1,268,582,761.74x = 1,750,656,150.18 × 711,677,762.58
  4. Step 4: Simplify right side
    1,268,582,761.74x = 1,245,903,052,007,019,008
  5. Step 5: Solve for x
    x = 1,245,903,052,007,019,008/1,268,582,761.74
  6. Step 6: Final answer
    x = 982,122,010.15

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1.5x scale

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.