Home / 5,439,566,907-8,161,015,556.04-2,785,502,162.88

Finding the Fourth Proportional to 5,439,566,907, 8,161,015,556.04 and 2,785,502,162.88

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Solution

The fourth proportional to 5,439,566,907, 8,161,015,556.04 and 2,785,502,162.88 is: 4,179,105,960.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,439,566,907 : 8,161,015,556.04 = 2,785,502,162.88 : x
  2. Step 2: Convert to fraction form
    5,439,566,907/8,161,015,556.04 = 2,785,502,162.88/x
  3. Step 3: Cross multiply
    5,439,566,907x = 8,161,015,556.04 × 2,785,502,162.88
  4. Step 4: Simplify right side
    5,439,566,907x = 22,732,526,482,646,745,088
  5. Step 5: Solve for x
    x = 22,732,526,482,646,745,088/5,439,566,907
  6. Step 6: Final answer
    x = 4,179,105,960.33

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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.