Home / 320,577,300,332.49-480,947,343,760.17-148,401,929,669.64

Finding the Fourth Proportional to 320,577,300,332.49, 480,947,343,760.17 and 148,401,929,669.64

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Solution

The fourth proportional to 320,577,300,332.49, 480,947,343,760.17 and 148,401,929,669.64 is: 222,640,573,145.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,577,300,332.49 : 480,947,343,760.17 = 148,401,929,669.64 : x
  2. Step 2: Convert to fraction form
    320,577,300,332.49/480,947,343,760.17 = 148,401,929,669.64/x
  3. Step 3: Cross multiply
    320,577,300,332.49x = 480,947,343,760.17 × 148,401,929,669.64
  4. Step 4: Simplify right side
    320,577,300,332.49x = 71,373,513,883,496,921,169,920
  5. Step 5: Solve for x
    x = 71,373,513,883,496,921,169,920/320,577,300,332.49
  6. Step 6: Final answer
    x = 222,640,573,145.61

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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.