Home / 292,413,391.20-438,620,086.80-235,017,763.20

Finding the Fourth Proportional to 292,413,391.20, 438,620,086.80 and 235,017,763.20

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Solution

The fourth proportional to 292,413,391.20, 438,620,086.80 and 235,017,763.20 is: 352,526,644.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,413,391.20 : 438,620,086.80 = 235,017,763.20 : x
  2. Step 2: Convert to fraction form
    292,413,391.20/438,620,086.80 = 235,017,763.20/x
  3. Step 3: Cross multiply
    292,413,391.20x = 438,620,086.80 × 235,017,763.20
  4. Step 4: Simplify right side
    292,413,391.20x = 103,083,511,694,325,840
  5. Step 5: Solve for x
    x = 103,083,511,694,325,840/292,413,391.20
  6. Step 6: Final answer
    x = 352,526,644.80

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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.