Home / 436,845,407.31-655,270,560.72-145,711,730.84

Finding the Fourth Proportional to 436,845,407.31, 655,270,560.72 and 145,711,730.84

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Solution

The fourth proportional to 436,845,407.31, 655,270,560.72 and 145,711,730.84 is: 218,568,413.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,845,407.31 : 655,270,560.72 = 145,711,730.84 : x
  2. Step 2: Convert to fraction form
    436,845,407.31/655,270,560.72 = 145,711,730.84/x
  3. Step 3: Cross multiply
    436,845,407.31x = 655,270,560.72 × 145,711,730.84
  4. Step 4: Simplify right side
    436,845,407.31x = 95,480,607,567,732,176
  5. Step 5: Solve for x
    x = 95,480,607,567,732,176/436,845,407.31
  6. Step 6: Final answer
    x = 218,568,413.38

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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.