Home / 404,397,126.85-606,612,999.04-158,806,901.51

Finding the Fourth Proportional to 404,397,126.85, 606,612,999.04 and 158,806,901.51

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Solution

The fourth proportional to 404,397,126.85, 606,612,999.04 and 158,806,901.51 is: 238,217,149.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,397,126.85 : 606,612,999.04 = 158,806,901.51 : x
  2. Step 2: Convert to fraction form
    404,397,126.85/606,612,999.04 = 158,806,901.51/x
  3. Step 3: Cross multiply
    404,397,126.85x = 606,612,999.04 × 158,806,901.51
  4. Step 4: Simplify right side
    404,397,126.85x = 96,334,330,792,075,712
  5. Step 5: Solve for x
    x = 96,334,330,792,075,712/404,397,126.85
  6. Step 6: Final answer
    x = 238,217,149.42

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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.