Home / 78,656,209,740.54-108,553,981,305.01-48,192,610,278.42

Finding the Fourth Proportional to 78,656,209,740.54, 108,553,981,305.01 and 48,192,610,278.42

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Solution

The fourth proportional to 78,656,209,740.54, 108,553,981,305.01 and 48,192,610,278.42 is: 66,510,956,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,656,209,740.54 : 108,553,981,305.01 = 48,192,610,278.42 : x
  2. Step 2: Convert to fraction form
    78,656,209,740.54/108,553,981,305.01 = 48,192,610,278.42/x
  3. Step 3: Cross multiply
    78,656,209,740.54x = 108,553,981,305.01 × 48,192,610,278.42
  4. Step 4: Simplify right side
    78,656,209,740.54x = 5,231,499,715,203,237,412,864
  5. Step 5: Solve for x
    x = 5,231,499,715,203,237,412,864/78,656,209,740.54
  6. Step 6: Final answer
    x = 66,510,956,127.43

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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.