Home / 862,931,763.80-1,294,397,645.70-249,536,000.60

Finding the Fourth Proportional to 862,931,763.80, 1,294,397,645.70 and 249,536,000.60

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Solution

The fourth proportional to 862,931,763.80, 1,294,397,645.70 and 249,536,000.60 is: 374,304,000.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,931,763.80 : 1,294,397,645.70 = 249,536,000.60 : x
  2. Step 2: Convert to fraction form
    862,931,763.80/1,294,397,645.70 = 249,536,000.60/x
  3. Step 3: Cross multiply
    862,931,763.80x = 1,294,397,645.70 × 249,536,000.60
  4. Step 4: Simplify right side
    862,931,763.80x = 322,998,811,694,033,792
  5. Step 5: Solve for x
    x = 322,998,811,694,033,792/862,931,763.80
  6. Step 6: Final answer
    x = 374,304,000.90

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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.