Home / 885,275,972.40-1,328,764,264.20-449,069,199.60

Finding the Fourth Proportional to 885,275,972.40, 1,328,764,264.20 and 449,069,199.60

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Solution

The fourth proportional to 885,275,972.40, 1,328,764,264.20 and 449,069,199.60 is: 674,035,129.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,275,972.40 : 1,328,764,264.20 = 449,069,199.60 : x
  2. Step 2: Convert to fraction form
    885,275,972.40/1,328,764,264.20 = 449,069,199.60/x
  3. Step 3: Cross multiply
    885,275,972.40x = 1,328,764,264.20 × 449,069,199.60
  4. Step 4: Simplify right side
    885,275,972.40x = 596,707,104,581,377,024
  5. Step 5: Solve for x
    x = 596,707,104,581,377,024/885,275,972.40
  6. Step 6: Final answer
    x = 674,035,129.37

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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.