Home / 366,912,385.60-550,368,578.40-338,852,300.80

Finding the Fourth Proportional to 366,912,385.60, 550,368,578.40 and 338,852,300.80

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Solution

The fourth proportional to 366,912,385.60, 550,368,578.40 and 338,852,300.80 is: 508,278,451.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912,385.60 : 550,368,578.40 = 338,852,300.80 : x
  2. Step 2: Convert to fraction form
    366,912,385.60/550,368,578.40 = 338,852,300.80/x
  3. Step 3: Cross multiply
    366,912,385.60x = 550,368,578.40 × 338,852,300.80
  4. Step 4: Simplify right side
    366,912,385.60x = 186,493,659,078,865,184
  5. Step 5: Solve for x
    x = 186,493,659,078,865,184/366,912,385.60
  6. Step 6: Final answer
    x = 508,278,451.20

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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.