Home / 435,465,862.20-653,198,793.30-420,685,241.40

Finding the Fourth Proportional to 435,465,862.20, 653,198,793.30 and 420,685,241.40

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Solution

The fourth proportional to 435,465,862.20, 653,198,793.30 and 420,685,241.40 is: 631,027,862.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,465,862.20 : 653,198,793.30 = 420,685,241.40 : x
  2. Step 2: Convert to fraction form
    435,465,862.20/653,198,793.30 = 420,685,241.40/x
  3. Step 3: Cross multiply
    435,465,862.20x = 653,198,793.30 × 420,685,241.40
  4. Step 4: Simplify right side
    435,465,862.20x = 274,791,092,041,599,168
  5. Step 5: Solve for x
    x = 274,791,092,041,599,168/435,465,862.20
  6. Step 6: Final answer
    x = 631,027,862.10

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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.