Home / 20,982,190,800.60-31,473,286,200.90-8,553,746,237.40

Finding the Fourth Proportional to 20,982,190,800.60, 31,473,286,200.90 and 8,553,746,237.40

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Solution

The fourth proportional to 20,982,190,800.60, 31,473,286,200.90 and 8,553,746,237.40 is: 12,830,619,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,982,190,800.60 : 31,473,286,200.90 = 8,553,746,237.40 : x
  2. Step 2: Convert to fraction form
    20,982,190,800.60/31,473,286,200.90 = 8,553,746,237.40/x
  3. Step 3: Cross multiply
    20,982,190,800.60x = 31,473,286,200.90 × 8,553,746,237.40
  4. Step 4: Simplify right side
    20,982,190,800.60x = 269,214,503,419,561,705,472
  5. Step 5: Solve for x
    x = 269,214,503,419,561,705,472/20,982,190,800.60
  6. Step 6: Final answer
    x = 12,830,619,356.10

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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.