Home / 9,389,354,808.13-12,957,620,378.61-5,160,416,593.57

Finding the Fourth Proportional to 9,389,354,808.13, 12,957,620,378.61 and 5,160,416,593.57

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Solution

The fourth proportional to 9,389,354,808.13, 12,957,620,378.61 and 5,160,416,593.57 is: 7,121,545,684.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389,354,808.13 : 12,957,620,378.61 = 5,160,416,593.57 : x
  2. Step 2: Convert to fraction form
    9,389,354,808.13/12,957,620,378.61 = 5,160,416,593.57/x
  3. Step 3: Cross multiply
    9,389,354,808.13x = 12,957,620,378.61 × 5,160,416,593.57
  4. Step 4: Simplify right side
    9,389,354,808.13x = 66,866,719,214,959,828,992
  5. Step 5: Solve for x
    x = 66,866,719,214,959,828,992/9,389,354,808.13
  6. Step 6: Final answer
    x = 7,121,545,684.59

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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.