Home / 20,534,331,799.16-28,337,544,265.84-11,379,013,565.94

Finding the Fourth Proportional to 20,534,331,799.16, 28,337,544,265.84 and 11,379,013,565.94

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Solution

The fourth proportional to 20,534,331,799.16, 28,337,544,265.84 and 11,379,013,565.94 is: 15,703,130,921.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,534,331,799.16 : 28,337,544,265.84 = 11,379,013,565.94 : x
  2. Step 2: Convert to fraction form
    20,534,331,799.16/28,337,544,265.84 = 11,379,013,565.94/x
  3. Step 3: Cross multiply
    20,534,331,799.16x = 28,337,544,265.84 × 11,379,013,565.94
  4. Step 4: Simplify right side
    20,534,331,799.16x = 322,453,300,626,418,630,656
  5. Step 5: Solve for x
    x = 322,453,300,626,418,630,656/20,534,331,799.16
  6. Step 6: Final answer
    x = 15,703,130,921.44

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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.