Home / 814,925,025.40-1,222,387,538.10-587,043,124.60

Finding the Fourth Proportional to 814,925,025.40, 1,222,387,538.10 and 587,043,124.60

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Solution

The fourth proportional to 814,925,025.40, 1,222,387,538.10 and 587,043,124.60 is: 880,564,686.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,925,025.40 : 1,222,387,538.10 = 587,043,124.60 : x
  2. Step 2: Convert to fraction form
    814,925,025.40/1,222,387,538.10 = 587,043,124.60/x
  3. Step 3: Cross multiply
    814,925,025.40x = 1,222,387,538.10 × 587,043,124.60
  4. Step 4: Simplify right side
    814,925,025.40x = 717,594,199,838,325,504
  5. Step 5: Solve for x
    x = 717,594,199,838,325,504/814,925,025.40
  6. Step 6: Final answer
    x = 880,564,686.90

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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.