Home / 885,899,231.10-1,328,722,875.45-303,660,344.70

Finding the Fourth Proportional to 885,899,231.10, 1,328,722,875.45 and 303,660,344.70

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Solution

The fourth proportional to 885,899,231.10, 1,328,722,875.45 and 303,660,344.70 is: 455,447,337.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,899,231.10 : 1,328,722,875.45 = 303,660,344.70 : x
  2. Step 2: Convert to fraction form
    885,899,231.10/1,328,722,875.45 = 303,660,344.70/x
  3. Step 3: Cross multiply
    885,899,231.10x = 1,328,722,875.45 × 303,660,344.70
  4. Step 4: Simplify right side
    885,899,231.10x = 403,480,446,369,922,176
  5. Step 5: Solve for x
    x = 403,480,446,369,922,176/885,899,231.10
  6. Step 6: Final answer
    x = 455,447,337.81

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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.