Home / 1,539,648,015.80-2,309,472,023.70-449,241,308.60

Finding the Fourth Proportional to 1,539,648,015.80, 2,309,472,023.70 and 449,241,308.60

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Solution

The fourth proportional to 1,539,648,015.80, 2,309,472,023.70 and 449,241,308.60 is: 673,861,962.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,539,648,015.80 : 2,309,472,023.70 = 449,241,308.60 : x
  2. Step 2: Convert to fraction form
    1,539,648,015.80/2,309,472,023.70 = 449,241,308.60/x
  3. Step 3: Cross multiply
    1,539,648,015.80x = 2,309,472,023.70 × 449,241,308.60
  4. Step 4: Simplify right side
    1,539,648,015.80x = 1,037,510,234,102,078,208
  5. Step 5: Solve for x
    x = 1,037,510,234,102,078,208/1,539,648,015.80
  6. Step 6: Final answer
    x = 673,861,962.90

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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.