Home / 436,551,209.90-654,917,794.05-145,508,749.10

Finding the Fourth Proportional to 436,551,209.90, 654,917,794.05 and 145,508,749.10

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Solution

The fourth proportional to 436,551,209.90, 654,917,794.05 and 145,508,749.10 is: 218,293,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,551,209.90 : 654,917,794.05 = 145,508,749.10 : x
  2. Step 2: Convert to fraction form
    436,551,209.90/654,917,794.05 = 145,508,749.10/x
  3. Step 3: Cross multiply
    436,551,209.90x = 654,917,794.05 × 145,508,749.10
  4. Step 4: Simplify right side
    436,551,209.90x = 95,296,268,975,546,912
  5. Step 5: Solve for x
    x = 95,296,268,975,546,912/436,551,209.90
  6. Step 6: Final answer
    x = 218,293,448.32

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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.