Home / 885,899,226.60-1,328,722,868.70-303,660,340.20

Finding the Fourth Proportional to 885,899,226.60, 1,328,722,868.70 and 303,660,340.20

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Solution

The fourth proportional to 885,899,226.60, 1,328,722,868.70 and 303,660,340.20 is: 455,447,331.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,899,226.60 : 1,328,722,868.70 = 303,660,340.20 : x
  2. Step 2: Convert to fraction form
    885,899,226.60/1,328,722,868.70 = 303,660,340.20/x
  3. Step 3: Cross multiply
    885,899,226.60x = 1,328,722,868.70 × 303,660,340.20
  4. Step 4: Simplify right side
    885,899,226.60x = 403,480,438,340,961,920
  5. Step 5: Solve for x
    x = 403,480,438,340,961,920/885,899,226.60
  6. Step 6: Final answer
    x = 455,447,331.06

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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.