Home / 352,274,017.20-526,710,414.60-260,441,012.40

Finding the Fourth Proportional to 352,274,017.20, 526,710,414.60 and 260,441,012.40

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Solution

The fourth proportional to 352,274,017.20, 526,710,414.60 and 260,441,012.40 is: 389,404,233.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,274,017.20 : 526,710,414.60 = 260,441,012.40 : x
  2. Step 2: Convert to fraction form
    352,274,017.20/526,710,414.60 = 260,441,012.40/x
  3. Step 3: Cross multiply
    352,274,017.20x = 526,710,414.60 × 260,441,012.40
  4. Step 4: Simplify right side
    352,274,017.20x = 137,176,993,620,047,744
  5. Step 5: Solve for x
    x = 137,176,993,620,047,744/352,274,017.20
  6. Step 6: Final answer
    x = 389,404,233.42

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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.