Home / 4,420,489,620.40-6,631,691,024.40-1,315,386,145.60

Finding the Fourth Proportional to 4,420,489,620.40, 6,631,691,024.40 and 1,315,386,145.60

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Solution

The fourth proportional to 4,420,489,620.40, 6,631,691,024.40 and 1,315,386,145.60 is: 1,973,363,867.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,420,489,620.40 : 6,631,691,024.40 = 1,315,386,145.60 : x
  2. Step 2: Convert to fraction form
    4,420,489,620.40/6,631,691,024.40 = 1,315,386,145.60/x
  3. Step 3: Cross multiply
    4,420,489,620.40x = 6,631,691,024.40 × 1,315,386,145.60
  4. Step 4: Simplify right side
    4,420,489,620.40x = 8,723,234,495,395,630,080
  5. Step 5: Solve for x
    x = 8,723,234,495,395,630,080/4,420,489,620.40
  6. Step 6: Final answer
    x = 1,973,363,867.92

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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.