Home / 897,798,902.40-1,347,706,123.20-694,229,443.20

Finding the Fourth Proportional to 897,798,902.40, 1,347,706,123.20 and 694,229,443.20

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Solution

The fourth proportional to 897,798,902.40, 1,347,706,123.20 and 694,229,443.20 is: 1,042,123,429.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,798,902.40 : 1,347,706,123.20 = 694,229,443.20 : x
  2. Step 2: Convert to fraction form
    897,798,902.40/1,347,706,123.20 = 694,229,443.20/x
  3. Step 3: Cross multiply
    897,798,902.40x = 1,347,706,123.20 × 694,229,443.20
  4. Step 4: Simplify right side
    897,798,902.40x = 935,617,271,506,366,720
  5. Step 5: Solve for x
    x = 935,617,271,506,366,720/897,798,902.40
  6. Step 6: Final answer
    x = 1,042,123,429.87

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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.