Home / 2,068,432,861.70-3,102,649,292.55-688,386,872.90

Finding the Fourth Proportional to 2,068,432,861.70, 3,102,649,292.55 and 688,386,872.90

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Solution

The fourth proportional to 2,068,432,861.70, 3,102,649,292.55 and 688,386,872.90 is: 1,032,580,309.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,068,432,861.70 : 3,102,649,292.55 = 688,386,872.90 : x
  2. Step 2: Convert to fraction form
    2,068,432,861.70/3,102,649,292.55 = 688,386,872.90/x
  3. Step 3: Cross multiply
    2,068,432,861.70x = 3,102,649,292.55 × 688,386,872.90
  4. Step 4: Simplify right side
    2,068,432,861.70x = 2,135,823,044,203,891,712
  5. Step 5: Solve for x
    x = 2,135,823,044,203,891,712/2,068,432,861.70
  6. Step 6: Final answer
    x = 1,032,580,309.35

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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.