Home / 436,982,889.60-655,726,276.80-164,549,174.40

Finding the Fourth Proportional to 436,982,889.60, 655,726,276.80 and 164,549,174.40

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Solution

The fourth proportional to 436,982,889.60, 655,726,276.80 and 164,549,174.40 is: 246,918,632.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,982,889.60 : 655,726,276.80 = 164,549,174.40 : x
  2. Step 2: Convert to fraction form
    436,982,889.60/655,726,276.80 = 164,549,174.40/x
  3. Step 3: Cross multiply
    436,982,889.60x = 655,726,276.80 × 164,549,174.40
  4. Step 4: Simplify right side
    436,982,889.60x = 107,899,217,479,825,872
  5. Step 5: Solve for x
    x = 107,899,217,479,825,872/436,982,889.60
  6. Step 6: Final answer
    x = 246,918,632.39

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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.