Home / 352,512,844.40-528,769,266.60-147,972,940.40

Finding the Fourth Proportional to 352,512,844.40, 528,769,266.60 and 147,972,940.40

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Solution

The fourth proportional to 352,512,844.40, 528,769,266.60 and 147,972,940.40 is: 221,959,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,512,844.40 : 528,769,266.60 = 147,972,940.40 : x
  2. Step 2: Convert to fraction form
    352,512,844.40/528,769,266.60 = 147,972,940.40/x
  3. Step 3: Cross multiply
    352,512,844.40x = 528,769,266.60 × 147,972,940.40
  4. Step 4: Simplify right side
    352,512,844.40x = 78,243,543,171,953,520
  5. Step 5: Solve for x
    x = 78,243,543,171,953,520/352,512,844.40
  6. Step 6: Final answer
    x = 221,959,410.60

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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.