Home / 8,160,442,800.30-12,240,664,200.45-2,989,912,905.90

Finding the Fourth Proportional to 8,160,442,800.30, 12,240,664,200.45 and 2,989,912,905.90

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Solution

The fourth proportional to 8,160,442,800.30, 12,240,664,200.45 and 2,989,912,905.90 is: 4,484,869,358.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,160,442,800.30 : 12,240,664,200.45 = 2,989,912,905.90 : x
  2. Step 2: Convert to fraction form
    8,160,442,800.30/12,240,664,200.45 = 2,989,912,905.90/x
  3. Step 3: Cross multiply
    8,160,442,800.30x = 12,240,664,200.45 × 2,989,912,905.90
  4. Step 4: Simplify right side
    8,160,442,800.30x = 36,598,519,869,713,563,648
  5. Step 5: Solve for x
    x = 36,598,519,869,713,563,648/8,160,442,800.30
  6. Step 6: Final answer
    x = 4,484,869,358.85

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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.