Home / 352,014,931.20-528,526,281.60-198,959,923.20

Finding the Fourth Proportional to 352,014,931.20, 528,526,281.60 and 198,959,923.20

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Solution

The fourth proportional to 352,014,931.20, 528,526,281.60 and 198,959,923.20 is: 298,724,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,014,931.20 : 528,526,281.60 = 198,959,923.20 : x
  2. Step 2: Convert to fraction form
    352,014,931.20/528,526,281.60 = 198,959,923.20/x
  3. Step 3: Cross multiply
    352,014,931.20x = 528,526,281.60 × 198,959,923.20
  4. Step 4: Simplify right side
    352,014,931.20x = 105,155,548,396,317,568
  5. Step 5: Solve for x
    x = 105,155,548,396,317,568/352,014,931.20
  6. Step 6: Final answer
    x = 298,724,682.04

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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.