Home / 8,201,432,581.18-12,302,059,190.78-1,990,597,866.90

Finding the Fourth Proportional to 8,201,432,581.18, 12,302,059,190.78 and 1,990,597,866.90

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Solution

The fourth proportional to 8,201,432,581.18, 12,302,059,190.78 and 1,990,597,866.90 is: 2,985,875,033.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201,432,581.18 : 12,302,059,190.78 = 1,990,597,866.90 : x
  2. Step 2: Convert to fraction form
    8,201,432,581.18/12,302,059,190.78 = 1,990,597,866.90/x
  3. Step 3: Cross multiply
    8,201,432,581.18x = 12,302,059,190.78 × 1,990,597,866.90
  4. Step 4: Simplify right side
    8,201,432,581.18x = 24,488,452,783,644,209,152
  5. Step 5: Solve for x
    x = 24,488,452,783,644,209,152/8,201,432,581.18
  6. Step 6: Final answer
    x = 2,985,875,033.57

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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.