Home / 20,394,088,186.70-30,591,132,280.05-12,108,710,420.30

Finding the Fourth Proportional to 20,394,088,186.70, 30,591,132,280.05 and 12,108,710,420.30

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Solution

The fourth proportional to 20,394,088,186.70, 30,591,132,280.05 and 12,108,710,420.30 is: 18,163,065,630.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,394,088,186.70 : 30,591,132,280.05 = 12,108,710,420.30 : x
  2. Step 2: Convert to fraction form
    20,394,088,186.70/30,591,132,280.05 = 12,108,710,420.30/x
  3. Step 3: Cross multiply
    20,394,088,186.70x = 30,591,132,280.05 × 12,108,710,420.30
  4. Step 4: Simplify right side
    20,394,088,186.70x = 370,419,162,208,217,071,616
  5. Step 5: Solve for x
    x = 370,419,162,208,217,071,616/20,394,088,186.70
  6. Step 6: Final answer
    x = 18,163,065,630.45

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Double scale
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Similar ratio
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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.