Home / 436,845,340.69-655,270,460.64-145,711,664.22

Finding the Fourth Proportional to 436,845,340.69, 655,270,460.64 and 145,711,664.22

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Solution

The fourth proportional to 436,845,340.69, 655,270,460.64 and 145,711,664.22 is: 218,568,313.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,845,340.69 : 655,270,460.64 = 145,711,664.22 : x
  2. Step 2: Convert to fraction form
    436,845,340.69/655,270,460.64 = 145,711,664.22/x
  3. Step 3: Cross multiply
    436,845,340.69x = 655,270,460.64 × 145,711,664.22
  4. Step 4: Simplify right side
    436,845,340.69x = 95,480,549,336,517,664
  5. Step 5: Solve for x
    x = 95,480,549,336,517,664/436,845,340.69
  6. Step 6: Final answer
    x = 218,568,313.41

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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.