Home / 538,273,600.80-807,410,401.20-442,614,220.80

Finding the Fourth Proportional to 538,273,600.80, 807,410,401.20 and 442,614,220.80

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Solution

The fourth proportional to 538,273,600.80, 807,410,401.20 and 442,614,220.80 is: 663,921,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,273,600.80 : 807,410,401.20 = 442,614,220.80 : x
  2. Step 2: Convert to fraction form
    538,273,600.80/807,410,401.20 = 442,614,220.80/x
  3. Step 3: Cross multiply
    538,273,600.80x = 807,410,401.20 × 442,614,220.80
  4. Step 4: Simplify right side
    538,273,600.80x = 357,371,325,592,953,408
  5. Step 5: Solve for x
    x = 357,371,325,592,953,408/538,273,600.80
  6. Step 6: Final answer
    x = 663,921,331.20

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1.5x scale

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.