Home / 561,170,012.80-841,755,019.20-255,059,996.80

Finding the Fourth Proportional to 561,170,012.80, 841,755,019.20 and 255,059,996.80

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Solution

The fourth proportional to 561,170,012.80, 841,755,019.20 and 255,059,996.80 is: 382,589,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,170,012.80 : 841,755,019.20 = 255,059,996.80 : x
  2. Step 2: Convert to fraction form
    561,170,012.80/841,755,019.20 = 255,059,996.80/x
  3. Step 3: Cross multiply
    561,170,012.80x = 841,755,019.20 × 255,059,996.80
  4. Step 4: Simplify right side
    561,170,012.80x = 214,698,032,503,535,968
  5. Step 5: Solve for x
    x = 214,698,032,503,535,968/561,170,012.80
  6. Step 6: Final answer
    x = 382,589,995.20

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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.