Home / 714,517,780.20-1,071,776,670.30-708,471,162.60

Finding the Fourth Proportional to 714,517,780.20, 1,071,776,670.30 and 708,471,162.60

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Solution

The fourth proportional to 714,517,780.20, 1,071,776,670.30 and 708,471,162.60 is: 1,062,706,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,517,780.20 : 1,071,776,670.30 = 708,471,162.60 : x
  2. Step 2: Convert to fraction form
    714,517,780.20/1,071,776,670.30 = 708,471,162.60/x
  3. Step 3: Cross multiply
    714,517,780.20x = 1,071,776,670.30 × 708,471,162.60
  4. Step 4: Simplify right side
    714,517,780.20x = 759,322,863,654,997,888
  5. Step 5: Solve for x
    x = 759,322,863,654,997,888/714,517,780.20
  6. Step 6: Final answer
    x = 1,062,706,743.90

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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.