Home / 12,317,183,999.10-18,475,775,998.65-7,407,330,507.90

Finding the Fourth Proportional to 12,317,183,999.10, 18,475,775,998.65 and 7,407,330,507.90

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Solution

The fourth proportional to 12,317,183,999.10, 18,475,775,998.65 and 7,407,330,507.90 is: 11,110,995,761.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,317,183,999.10 : 18,475,775,998.65 = 7,407,330,507.90 : x
  2. Step 2: Convert to fraction form
    12,317,183,999.10/18,475,775,998.65 = 7,407,330,507.90/x
  3. Step 3: Cross multiply
    12,317,183,999.10x = 18,475,775,998.65 × 7,407,330,507.90
  4. Step 4: Simplify right side
    12,317,183,999.10x = 136,856,179,211,926,732,800
  5. Step 5: Solve for x
    x = 136,856,179,211,926,732,800/12,317,183,999.10
  6. Step 6: Final answer
    x = 11,110,995,761.85

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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.