Home / 838,982,959.80-1,258,474,439.70-757,353,622.20

Finding the Fourth Proportional to 838,982,959.80, 1,258,474,439.70 and 757,353,622.20

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Solution

The fourth proportional to 838,982,959.80, 1,258,474,439.70 and 757,353,622.20 is: 1,136,030,433.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,982,959.80 : 1,258,474,439.70 = 757,353,622.20 : x
  2. Step 2: Convert to fraction form
    838,982,959.80/1,258,474,439.70 = 757,353,622.20/x
  3. Step 3: Cross multiply
    838,982,959.80x = 1,258,474,439.70 × 757,353,622.20
  4. Step 4: Simplify right side
    838,982,959.80x = 953,110,175,352,910,592
  5. Step 5: Solve for x
    x = 953,110,175,352,910,592/838,982,959.80
  6. Step 6: Final answer
    x = 1,136,030,433.30

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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.