Home / 11,487,923,999.70-17,231,885,999.55-7,051,959,400.65

Finding the Fourth Proportional to 11,487,923,999.70, 17,231,885,999.55 and 7,051,959,400.65

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Solution

The fourth proportional to 11,487,923,999.70, 17,231,885,999.55 and 7,051,959,400.65 is: 10,577,939,100.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487,923,999.70 : 17,231,885,999.55 = 7,051,959,400.65 : x
  2. Step 2: Convert to fraction form
    11,487,923,999.70/17,231,885,999.55 = 7,051,959,400.65/x
  3. Step 3: Cross multiply
    11,487,923,999.70x = 17,231,885,999.55 × 7,051,959,400.65
  4. Step 4: Simplify right side
    11,487,923,999.70x = 121,518,560,465,455,726,592
  5. Step 5: Solve for x
    x = 121,518,560,465,455,726,592/11,487,923,999.70
  6. Step 6: Final answer
    x = 10,577,939,100.98

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Double scale
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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.