Home / 291,100,663,241.35-436,659,890,451.53-99,870,018,462.75

Finding the Fourth Proportional to 291,100,663,241.35, 436,659,890,451.53 and 99,870,018,462.75

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Solution

The fourth proportional to 291,100,663,241.35, 436,659,890,451.53 and 99,870,018,462.75 is: 149,808,079,568.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,100,663,241.35 : 436,659,890,451.53 = 99,870,018,462.75 : x
  2. Step 2: Convert to fraction form
    291,100,663,241.35/436,659,890,451.53 = 99,870,018,462.75/x
  3. Step 3: Cross multiply
    291,100,663,241.35x = 436,659,890,451.53 × 99,870,018,462.75
  4. Step 4: Simplify right side
    291,100,663,241.35x = 43,609,231,321,334,514,974,720
  5. Step 5: Solve for x
    x = 43,609,231,321,334,514,974,720/291,100,663,241.35
  6. Step 6: Final answer
    x = 149,808,079,568.61

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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.