Home / 352,274,015.20-526,710,411.60-260,441,010.40

Finding the Fourth Proportional to 352,274,015.20, 526,710,411.60 and 260,441,010.40

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Solution

The fourth proportional to 352,274,015.20, 526,710,411.60 and 260,441,010.40 is: 389,404,230.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,274,015.20 : 526,710,411.60 = 260,441,010.40 : x
  2. Step 2: Convert to fraction form
    352,274,015.20/526,710,411.60 = 260,441,010.40/x
  3. Step 3: Cross multiply
    352,274,015.20x = 526,710,411.60 × 260,441,010.40
  4. Step 4: Simplify right side
    352,274,015.20x = 137,176,991,785,303,888
  5. Step 5: Solve for x
    x = 137,176,991,785,303,888/352,274,015.20
  6. Step 6: Final answer
    x = 389,404,230.42

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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.