Home / 6,550,407,806.38-9,815,613,467.28-3,889,223,473.78

Finding the Fourth Proportional to 6,550,407,806.38, 9,815,613,467.28 and 3,889,223,473.78

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Solution

The fourth proportional to 6,550,407,806.38, 9,815,613,467.28 and 3,889,223,473.78 is: 5,827,898,878.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,550,407,806.38 : 9,815,613,467.28 = 3,889,223,473.78 : x
  2. Step 2: Convert to fraction form
    6,550,407,806.38/9,815,613,467.28 = 3,889,223,473.78/x
  3. Step 3: Cross multiply
    6,550,407,806.38x = 9,815,613,467.28 × 3,889,223,473.78
  4. Step 4: Simplify right side
    6,550,407,806.38x = 38,175,114,306,495,430,656
  5. Step 5: Solve for x
    x = 38,175,114,306,495,430,656/6,550,407,806.38
  6. Step 6: Final answer
    x = 5,827,898,878.19

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Double scale
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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.