Home / 418,020,116.31-626,615,999.06-196,294,545.59

Finding the Fourth Proportional to 418,020,116.31, 626,615,999.06 and 196,294,545.59

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Solution

The fourth proportional to 418,020,116.31, 626,615,999.06 and 196,294,545.59 is: 294,247,329.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,020,116.31 : 626,615,999.06 = 196,294,545.59 : x
  2. Step 2: Convert to fraction form
    418,020,116.31/626,615,999.06 = 196,294,545.59/x
  3. Step 3: Cross multiply
    418,020,116.31x = 626,615,999.06 × 196,294,545.59
  4. Step 4: Simplify right side
    418,020,116.31x = 123,001,302,790,792,016
  5. Step 5: Solve for x
    x = 123,001,302,790,792,016/418,020,116.31
  6. Step 6: Final answer
    x = 294,247,329.24

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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.