Home / 814,925,000.40-1,222,387,500.60-587,043,099.60

Finding the Fourth Proportional to 814,925,000.40, 1,222,387,500.60 and 587,043,099.60

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Solution

The fourth proportional to 814,925,000.40, 1,222,387,500.60 and 587,043,099.60 is: 880,564,649.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,925,000.40 : 1,222,387,500.60 = 587,043,099.60 : x
  2. Step 2: Convert to fraction form
    814,925,000.40/1,222,387,500.60 = 587,043,099.60/x
  3. Step 3: Cross multiply
    814,925,000.40x = 1,222,387,500.60 × 587,043,099.60
  4. Step 4: Simplify right side
    814,925,000.40x = 717,594,147,264,520,832
  5. Step 5: Solve for x
    x = 717,594,147,264,520,832/814,925,000.40
  6. Step 6: Final answer
    x = 880,564,649.40

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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.