Home / 320,577,300,330.43-480,947,343,757.07-148,401,929,667.57

Finding the Fourth Proportional to 320,577,300,330.43, 480,947,343,757.07 and 148,401,929,667.57

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Solution

The fourth proportional to 320,577,300,330.43, 480,947,343,757.07 and 148,401,929,667.57 is: 222,640,573,142.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,577,300,330.43 : 480,947,343,757.07 = 148,401,929,667.57 : x
  2. Step 2: Convert to fraction form
    320,577,300,330.43/480,947,343,757.07 = 148,401,929,667.57/x
  3. Step 3: Cross multiply
    320,577,300,330.43x = 480,947,343,757.07 × 148,401,929,667.57
  4. Step 4: Simplify right side
    320,577,300,330.43x = 71,373,513,882,041,321,521,152
  5. Step 5: Solve for x
    x = 71,373,513,882,041,321,521,152/320,577,300,330.43
  6. Step 6: Final answer
    x = 222,640,573,142.50

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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.