Home / 21,837,275,786.64-32,760,364,203.12-9,879,784,642.20

Finding the Fourth Proportional to 21,837,275,786.64, 32,760,364,203.12 and 9,879,784,642.20

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Solution

The fourth proportional to 21,837,275,786.64, 32,760,364,203.12 and 9,879,784,642.20 is: 14,821,690,502.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,837,275,786.64 : 32,760,364,203.12 = 9,879,784,642.20 : x
  2. Step 2: Convert to fraction form
    21,837,275,786.64/32,760,364,203.12 = 9,879,784,642.20/x
  3. Step 3: Cross multiply
    21,837,275,786.64x = 32,760,364,203.12 × 9,879,784,642.20
  4. Step 4: Simplify right side
    21,837,275,786.64x = 323,665,343,126,863,609,856
  5. Step 5: Solve for x
    x = 323,665,343,126,863,609,856/21,837,275,786.64
  6. Step 6: Final answer
    x = 14,821,690,502.48

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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.