Home / 265,706,940.80-398,560,411.20-193,147,529.60

Finding the Fourth Proportional to 265,706,940.80, 398,560,411.20 and 193,147,529.60

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Solution

The fourth proportional to 265,706,940.80, 398,560,411.20 and 193,147,529.60 is: 289,721,294.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,706,940.80 : 398,560,411.20 = 193,147,529.60 : x
  2. Step 2: Convert to fraction form
    265,706,940.80/398,560,411.20 = 193,147,529.60/x
  3. Step 3: Cross multiply
    265,706,940.80x = 398,560,411.20 × 193,147,529.60
  4. Step 4: Simplify right side
    265,706,940.80x = 76,980,958,819,640,160
  5. Step 5: Solve for x
    x = 76,980,958,819,640,160/265,706,940.80
  6. Step 6: Final answer
    x = 289,721,294.40

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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.