Home / 528,526,695.14-729,202,290.39-305,427,099.04

Finding the Fourth Proportional to 528,526,695.14, 729,202,290.39 and 305,427,099.04

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Solution

The fourth proportional to 528,526,695.14, 729,202,290.39 and 305,427,099.04 is: 421,394,306.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,526,695.14 : 729,202,290.39 = 305,427,099.04 : x
  2. Step 2: Convert to fraction form
    528,526,695.14/729,202,290.39 = 305,427,099.04/x
  3. Step 3: Cross multiply
    528,526,695.14x = 729,202,290.39 × 305,427,099.04
  4. Step 4: Simplify right side
    528,526,695.14x = 222,718,140,165,318,368
  5. Step 5: Solve for x
    x = 222,718,140,165,318,368/528,526,695.14
  6. Step 6: Final answer
    x = 421,394,306.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.