Home / 936,048,010.40-1,404,072,015.60-663,950,218.40

Finding the Fourth Proportional to 936,048,010.40, 1,404,072,015.60 and 663,950,218.40

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Solution

The fourth proportional to 936,048,010.40, 1,404,072,015.60 and 663,950,218.40 is: 995,925,327.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,048,010.40 : 1,404,072,015.60 = 663,950,218.40 : x
  2. Step 2: Convert to fraction form
    936,048,010.40/1,404,072,015.60 = 663,950,218.40/x
  3. Step 3: Cross multiply
    936,048,010.40x = 1,404,072,015.60 × 663,950,218.40
  4. Step 4: Simplify right side
    936,048,010.40x = 932,233,921,406,948,096
  5. Step 5: Solve for x
    x = 932,233,921,406,948,096/936,048,010.40
  6. Step 6: Final answer
    x = 995,925,327.60

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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.