Home / 18,720,771,808.60-28,081,157,712.90-6,294,972,640.60

Finding the Fourth Proportional to 18,720,771,808.60, 28,081,157,712.90 and 6,294,972,640.60

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Solution

The fourth proportional to 18,720,771,808.60, 28,081,157,712.90 and 6,294,972,640.60 is: 9,442,458,960.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,720,771,808.60 : 28,081,157,712.90 = 6,294,972,640.60 : x
  2. Step 2: Convert to fraction form
    18,720,771,808.60/28,081,157,712.90 = 6,294,972,640.60/x
  3. Step 3: Cross multiply
    18,720,771,808.60x = 28,081,157,712.90 × 6,294,972,640.60
  4. Step 4: Simplify right side
    18,720,771,808.60x = 176,770,119,519,079,202,816
  5. Step 5: Solve for x
    x = 176,770,119,519,079,202,816/18,720,771,808.60
  6. Step 6: Final answer
    x = 9,442,458,960.90

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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.