Home / 436,965,332.70-655,447,999.05-178,039,404.30

Finding the Fourth Proportional to 436,965,332.70, 655,447,999.05 and 178,039,404.30

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Solution

The fourth proportional to 436,965,332.70, 655,447,999.05 and 178,039,404.30 is: 267,059,106.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,965,332.70 : 655,447,999.05 = 178,039,404.30 : x
  2. Step 2: Convert to fraction form
    436,965,332.70/655,447,999.05 = 178,039,404.30/x
  3. Step 3: Cross multiply
    436,965,332.70x = 655,447,999.05 × 178,039,404.30
  4. Step 4: Simplify right side
    436,965,332.70x = 116,695,571,300,488,960
  5. Step 5: Solve for x
    x = 116,695,571,300,488,960/436,965,332.70
  6. Step 6: Final answer
    x = 267,059,106.45

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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.