Home / 440,401,048.90-660,580,578.15-149,239,615.30

Finding the Fourth Proportional to 440,401,048.90, 660,580,578.15 and 149,239,615.30

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Solution

The fourth proportional to 440,401,048.90, 660,580,578.15 and 149,239,615.30 is: 223,852,308.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,401,048.90 : 660,580,578.15 = 149,239,615.30 : x
  2. Step 2: Convert to fraction form
    440,401,048.90/660,580,578.15 = 149,239,615.30/x
  3. Step 3: Cross multiply
    440,401,048.90x = 660,580,578.15 × 149,239,615.30
  4. Step 4: Simplify right side
    440,401,048.90x = 98,584,791,357,757,584
  5. Step 5: Solve for x
    x = 98,584,791,357,757,584/440,401,048.90
  6. Step 6: Final answer
    x = 223,852,308.26

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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.