Home / 984,785,253,689.42-1,475,254,103,214.40-678,420,917,227.41

Finding the Fourth Proportional to 984,785,253,689.42, 1,475,254,103,214.40 and 678,420,917,227.41

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Solution

The fourth proportional to 984,785,253,689.42, 1,475,254,103,214.40 and 678,420,917,227.41 is: 1,016,306,081,043.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,785,253,689.42 : 1,475,254,103,214.40 = 678,420,917,227.41 : x
  2. Step 2: Convert to fraction form
    984,785,253,689.42/1,475,254,103,214.40 = 678,420,917,227.41/x
  3. Step 3: Cross multiply
    984,785,253,689.42x = 1,475,254,103,214.40 × 678,420,917,227.41
  4. Step 4: Simplify right side
    984,785,253,689.42x = 1,000,843,241,846,213,412,126,720
  5. Step 5: Solve for x
    x = 1,000,843,241,846,213,412,126,720/984,785,253,689.42
  6. Step 6: Final answer
    x = 1,016,306,081,043.19

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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.