Home / 320,706,004.80-481,059,007.20-240,084,436.80

Finding the Fourth Proportional to 320,706,004.80, 481,059,007.20 and 240,084,436.80

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Solution

The fourth proportional to 320,706,004.80, 481,059,007.20 and 240,084,436.80 is: 360,126,655.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,706,004.80 : 481,059,007.20 = 240,084,436.80 : x
  2. Step 2: Convert to fraction form
    320,706,004.80/481,059,007.20 = 240,084,436.80/x
  3. Step 3: Cross multiply
    320,706,004.80x = 481,059,007.20 × 240,084,436.80
  4. Step 4: Simplify right side
    320,706,004.80x = 115,494,780,811,179,152
  5. Step 5: Solve for x
    x = 115,494,780,811,179,152/320,706,004.80
  6. Step 6: Final answer
    x = 360,126,655.20

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1.5x scale

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.