Home / 394,584,006.30-591,876,009.45-103,450,566.30

Finding the Fourth Proportional to 394,584,006.30, 591,876,009.45 and 103,450,566.30

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Solution

The fourth proportional to 394,584,006.30, 591,876,009.45 and 103,450,566.30 is: 155,175,849.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,584,006.30 : 591,876,009.45 = 103,450,566.30 : x
  2. Step 2: Convert to fraction form
    394,584,006.30/591,876,009.45 = 103,450,566.30/x
  3. Step 3: Cross multiply
    394,584,006.30x = 591,876,009.45 × 103,450,566.30
  4. Step 4: Simplify right side
    394,584,006.30x = 61,229,908,356,986,656
  5. Step 5: Solve for x
    x = 61,229,908,356,986,656/394,584,006.30
  6. Step 6: Final answer
    x = 155,175,849.45

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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.