Home / 936,045,791.40-1,404,068,687.10-663,947,999.40

Finding the Fourth Proportional to 936,045,791.40, 1,404,068,687.10 and 663,947,999.40

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Solution

The fourth proportional to 936,045,791.40, 1,404,068,687.10 and 663,947,999.40 is: 995,921,999.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,045,791.40 : 1,404,068,687.10 = 663,947,999.40 : x
  2. Step 2: Convert to fraction form
    936,045,791.40/1,404,068,687.10 = 663,947,999.40/x
  3. Step 3: Cross multiply
    936,045,791.40x = 1,404,068,687.10 × 663,947,999.40
  4. Step 4: Simplify right side
    936,045,791.40x = 932,228,595,820,229,504
  5. Step 5: Solve for x
    x = 932,228,595,820,229,504/936,045,791.40
  6. Step 6: Final answer
    x = 995,921,999.10

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Double scale
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Similar ratio
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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.