Home / 681,124,072.80-1,021,686,109.20-336,750,304.80

Finding the Fourth Proportional to 681,124,072.80, 1,021,686,109.20 and 336,750,304.80

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Solution

The fourth proportional to 681,124,072.80, 1,021,686,109.20 and 336,750,304.80 is: 505,125,457.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    681,124,072.80 : 1,021,686,109.20 = 336,750,304.80 : x
  2. Step 2: Convert to fraction form
    681,124,072.80/1,021,686,109.20 = 336,750,304.80/x
  3. Step 3: Cross multiply
    681,124,072.80x = 1,021,686,109.20 × 336,750,304.80
  4. Step 4: Simplify right side
    681,124,072.80x = 344,053,108,683,026,112
  5. Step 5: Solve for x
    x = 344,053,108,683,026,112/681,124,072.80
  6. Step 6: Final answer
    x = 505,125,457.20

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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.