Home / 885,741,755.70-1,328,612,633.55-472,493,234.10

Finding the Fourth Proportional to 885,741,755.70, 1,328,612,633.55 and 472,493,234.10

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Solution

The fourth proportional to 885,741,755.70, 1,328,612,633.55 and 472,493,234.10 is: 708,739,851.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,741,755.70 : 1,328,612,633.55 = 472,493,234.10 : x
  2. Step 2: Convert to fraction form
    885,741,755.70/1,328,612,633.55 = 472,493,234.10/x
  3. Step 3: Cross multiply
    885,741,755.70x = 1,328,612,633.55 × 472,493,234.10
  4. Step 4: Simplify right side
    885,741,755.70x = 627,760,480,092,157,696
  5. Step 5: Solve for x
    x = 627,760,480,092,157,696/885,741,755.70
  6. Step 6: Final answer
    x = 708,739,851.15

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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.