Home / 2,126,406,006.60-3,188,652,416.10-815,872,500.60

Finding the Fourth Proportional to 2,126,406,006.60, 3,188,652,416.10 and 815,872,500.60

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Solution

The fourth proportional to 2,126,406,006.60, 3,188,652,416.10 and 815,872,500.60 is: 1,223,441,719.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,126,406,006.60 : 3,188,652,416.10 = 815,872,500.60 : x
  2. Step 2: Convert to fraction form
    2,126,406,006.60/3,188,652,416.10 = 815,872,500.60/x
  3. Step 3: Cross multiply
    2,126,406,006.60x = 3,188,652,416.10 × 815,872,500.60
  4. Step 4: Simplify right side
    2,126,406,006.60x = 2,601,533,820,267,738,624
  5. Step 5: Solve for x
    x = 2,601,533,820,267,738,624/2,126,406,006.60
  6. Step 6: Final answer
    x = 1,223,441,719.12

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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.