Home / 7,065,948,616.96-9,751,009,146.20-3,894,132,569.16

Finding the Fourth Proportional to 7,065,948,616.96, 9,751,009,146.20 and 3,894,132,569.16

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Solution

The fourth proportional to 7,065,948,616.96, 9,751,009,146.20 and 3,894,132,569.16 is: 5,373,902,975.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,065,948,616.96 : 9,751,009,146.20 = 3,894,132,569.16 : x
  2. Step 2: Convert to fraction form
    7,065,948,616.96/9,751,009,146.20 = 3,894,132,569.16/x
  3. Step 3: Cross multiply
    7,065,948,616.96x = 9,751,009,146.20 × 3,894,132,569.16
  4. Step 4: Simplify right side
    7,065,948,616.96x = 37,971,722,298,394,468,352
  5. Step 5: Solve for x
    x = 37,971,722,298,394,468,352/7,065,948,616.96
  6. Step 6: Final answer
    x = 5,373,902,975.64

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.