Home / 3,120,778,810.10-4,680,451,882.28-1,860,599,502.88

Finding the Fourth Proportional to 3,120,778,810.10, 4,680,451,882.28 and 1,860,599,502.88

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Solution

The fourth proportional to 3,120,778,810.10, 4,680,451,882.28 and 1,860,599,502.88 is: 2,790,472,178.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,120,778,810.10 : 4,680,451,882.28 = 1,860,599,502.88 : x
  2. Step 2: Convert to fraction form
    3,120,778,810.10/4,680,451,882.28 = 1,860,599,502.88/x
  3. Step 3: Cross multiply
    3,120,778,810.10x = 4,680,451,882.28 × 1,860,599,502.88
  4. Step 4: Simplify right side
    3,120,778,810.10x = 8,708,446,445,423,928,320
  5. Step 5: Solve for x
    x = 8,708,446,445,423,928,320/3,120,778,810.10
  6. Step 6: Final answer
    x = 2,790,472,178.69

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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.