Home / 292,413,348.20-438,620,022.30-235,017,720.20

Finding the Fourth Proportional to 292,413,348.20, 438,620,022.30 and 235,017,720.20

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Solution

The fourth proportional to 292,413,348.20, 438,620,022.30 and 235,017,720.20 is: 352,526,580.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,413,348.20 : 438,620,022.30 = 235,017,720.20 : x
  2. Step 2: Convert to fraction form
    292,413,348.20/438,620,022.30 = 235,017,720.20/x
  3. Step 3: Cross multiply
    292,413,348.20x = 438,620,022.30 × 235,017,720.20
  4. Step 4: Simplify right side
    292,413,348.20x = 103,083,477,675,019,152
  5. Step 5: Solve for x
    x = 103,083,477,675,019,152/292,413,348.20
  6. Step 6: Final answer
    x = 352,526,580.30

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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.