Home / 885,741,748.20-1,328,612,622.30-472,493,226.60

Finding the Fourth Proportional to 885,741,748.20, 1,328,612,622.30 and 472,493,226.60

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Solution

The fourth proportional to 885,741,748.20, 1,328,612,622.30 and 472,493,226.60 is: 708,739,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,741,748.20 : 1,328,612,622.30 = 472,493,226.60 : x
  2. Step 2: Convert to fraction form
    885,741,748.20/1,328,612,622.30 = 472,493,226.60/x
  3. Step 3: Cross multiply
    885,741,748.20x = 1,328,612,622.30 × 472,493,226.60
  4. Step 4: Simplify right side
    885,741,748.20x = 627,760,464,812,014,080
  5. Step 5: Solve for x
    x = 627,760,464,812,014,080/885,741,748.20
  6. Step 6: Final answer
    x = 708,739,839.90

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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.