Home / 436,845,355.25-655,270,482.44-145,711,678.79

Finding the Fourth Proportional to 436,845,355.25, 655,270,482.44 and 145,711,678.79

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Solution

The fourth proportional to 436,845,355.25, 655,270,482.44 and 145,711,678.79 is: 218,568,335.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,845,355.25 : 655,270,482.44 = 145,711,678.79 : x
  2. Step 2: Convert to fraction form
    436,845,355.25/655,270,482.44 = 145,711,678.79/x
  3. Step 3: Cross multiply
    436,845,355.25x = 655,270,482.44 × 145,711,678.79
  4. Step 4: Simplify right side
    436,845,355.25x = 95,480,562,057,865,616
  5. Step 5: Solve for x
    x = 95,480,562,057,865,616/436,845,355.25
  6. Step 6: Final answer
    x = 218,568,335.25

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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.