Home / 352,002,051.60-528,003,077.40-279,442,640.40

Finding the Fourth Proportional to 352,002,051.60, 528,003,077.40 and 279,442,640.40

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Solution

The fourth proportional to 352,002,051.60, 528,003,077.40 and 279,442,640.40 is: 419,163,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,002,051.60 : 528,003,077.40 = 279,442,640.40 : x
  2. Step 2: Convert to fraction form
    352,002,051.60/528,003,077.40 = 279,442,640.40/x
  3. Step 3: Cross multiply
    352,002,051.60x = 528,003,077.40 × 279,442,640.40
  4. Step 4: Simplify right side
    352,002,051.60x = 147,546,574,087,981,536
  5. Step 5: Solve for x
    x = 147,546,574,087,981,536/352,002,051.60
  6. Step 6: Final answer
    x = 419,163,960.60

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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.