Home / 360,148,470.45-496,813,172.40-219,062,842.38

Finding the Fourth Proportional to 360,148,470.45, 496,813,172.40 and 219,062,842.38

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Solution

The fourth proportional to 360,148,470.45, 496,813,172.40 and 219,062,842.38 is: 302,190,109.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,148,470.45 : 496,813,172.40 = 219,062,842.38 : x
  2. Step 2: Convert to fraction form
    360,148,470.45/496,813,172.40 = 219,062,842.38/x
  3. Step 3: Cross multiply
    360,148,470.45x = 496,813,172.40 × 219,062,842.38
  4. Step 4: Simplify right side
    360,148,470.45x = 108,833,305,677,768,960
  5. Step 5: Solve for x
    x = 108,833,305,677,768,960/360,148,470.45
  6. Step 6: Final answer
    x = 302,190,109.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.