Home / 448,390,906.32-672,780,532.26-240,887,209.08

Finding the Fourth Proportional to 448,390,906.32, 672,780,532.26 and 240,887,209.08

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Solution

The fourth proportional to 448,390,906.32, 672,780,532.26 and 240,887,209.08 is: 361,435,128.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,390,906.32 : 672,780,532.26 = 240,887,209.08 : x
  2. Step 2: Convert to fraction form
    448,390,906.32/672,780,532.26 = 240,887,209.08/x
  3. Step 3: Cross multiply
    448,390,906.32x = 672,780,532.26 × 240,887,209.08
  4. Step 4: Simplify right side
    448,390,906.32x = 162,064,224,739,468,320
  5. Step 5: Solve for x
    x = 162,064,224,739,468,320/448,390,906.32
  6. Step 6: Final answer
    x = 361,435,128.27

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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.