Home / 440,986,180.72-661,338,201.24-145,826,470.48

Finding the Fourth Proportional to 440,986,180.72, 661,338,201.24 and 145,826,470.48

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Solution

The fourth proportional to 440,986,180.72, 661,338,201.24 and 145,826,470.48 is: 218,693,056.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,986,180.72 : 661,338,201.24 = 145,826,470.48 : x
  2. Step 2: Convert to fraction form
    440,986,180.72/661,338,201.24 = 145,826,470.48/x
  3. Step 3: Cross multiply
    440,986,180.72x = 661,338,201.24 × 145,826,470.48
  4. Step 4: Simplify right side
    440,986,180.72x = 96,440,615,680,421,152
  5. Step 5: Solve for x
    x = 96,440,615,680,421,152/440,986,180.72
  6. Step 6: Final answer
    x = 218,693,056.37

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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.