Home / 9,389,354,807.38-12,957,620,377.58-5,160,416,592.82

Finding the Fourth Proportional to 9,389,354,807.38, 12,957,620,377.58 and 5,160,416,592.82

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Solution

The fourth proportional to 9,389,354,807.38, 12,957,620,377.58 and 5,160,416,592.82 is: 7,121,545,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,389,354,807.38 : 12,957,620,377.58 = 5,160,416,592.82 : x
  2. Step 2: Convert to fraction form
    9,389,354,807.38/12,957,620,377.58 = 5,160,416,592.82/x
  3. Step 3: Cross multiply
    9,389,354,807.38x = 12,957,620,377.58 × 5,160,416,592.82
  4. Step 4: Simplify right side
    9,389,354,807.38x = 66,866,719,199,910,895,616
  5. Step 5: Solve for x
    x = 66,866,719,199,910,895,616/9,389,354,807.38
  6. Step 6: Final answer
    x = 7,121,545,683.56

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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.