Home / 885,899,242.60-1,328,722,892.70-303,660,356.20

Finding the Fourth Proportional to 885,899,242.60, 1,328,722,892.70 and 303,660,356.20

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Solution

The fourth proportional to 885,899,242.60, 1,328,722,892.70 and 303,660,356.20 is: 455,447,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,899,242.60 : 1,328,722,892.70 = 303,660,356.20 : x
  2. Step 2: Convert to fraction form
    885,899,242.60/1,328,722,892.70 = 303,660,356.20/x
  3. Step 3: Cross multiply
    885,899,242.60x = 1,328,722,892.70 × 303,660,356.20
  4. Step 4: Simplify right side
    885,899,242.60x = 403,480,466,888,376,384
  5. Step 5: Solve for x
    x = 403,480,466,888,376,384/885,899,242.60
  6. Step 6: Final answer
    x = 455,447,355.06

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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.