Home / 366,912,125.60-550,368,188.40-338,852,040.80

Finding the Fourth Proportional to 366,912,125.60, 550,368,188.40 and 338,852,040.80

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Solution

The fourth proportional to 366,912,125.60, 550,368,188.40 and 338,852,040.80 is: 508,278,061.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,912,125.60 : 550,368,188.40 = 338,852,040.80 : x
  2. Step 2: Convert to fraction form
    366,912,125.60/550,368,188.40 = 338,852,040.80/x
  3. Step 3: Cross multiply
    366,912,125.60x = 550,368,188.40 × 338,852,040.80
  4. Step 4: Simplify right side
    366,912,125.60x = 186,493,383,830,738,880
  5. Step 5: Solve for x
    x = 186,493,383,830,738,880/366,912,125.60
  6. Step 6: Final answer
    x = 508,278,061.20

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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.