Home / 20,394,088,228.20-30,591,132,342.30-12,108,710,461.80

Finding the Fourth Proportional to 20,394,088,228.20, 30,591,132,342.30 and 12,108,710,461.80

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Solution

The fourth proportional to 20,394,088,228.20, 30,591,132,342.30 and 12,108,710,461.80 is: 18,163,065,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,088,228.20 : 30,591,132,342.30 = 12,108,710,461.80 : x
  2. Step 2: Convert to fraction form
    20,394,088,228.20/30,591,132,342.30 = 12,108,710,461.80/x
  3. Step 3: Cross multiply
    20,394,088,228.20x = 30,591,132,342.30 × 12,108,710,461.80
  4. Step 4: Simplify right side
    20,394,088,228.20x = 370,419,164,231,516,291,072
  5. Step 5: Solve for x
    x = 370,419,164,231,516,291,072/20,394,088,228.20
  6. Step 6: Final answer
    x = 18,163,065,692.70

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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.