Home / 440,352,586.80-660,360,918.60-133,542,730.80

Finding the Fourth Proportional to 440,352,586.80, 660,360,918.60 and 133,542,730.80

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Solution

The fourth proportional to 440,352,586.80, 660,360,918.60 and 133,542,730.80 is: 200,263,159.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,352,586.80 : 660,360,918.60 = 133,542,730.80 : x
  2. Step 2: Convert to fraction form
    440,352,586.80/660,360,918.60 = 133,542,730.80/x
  3. Step 3: Cross multiply
    440,352,586.80x = 660,360,918.60 × 133,542,730.80
  4. Step 4: Simplify right side
    440,352,586.80x = 88,186,400,383,440,512
  5. Step 5: Solve for x
    x = 88,186,400,383,440,512/440,352,586.80
  6. Step 6: Final answer
    x = 200,263,159.63

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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.