Home / 423,545,976.51-584,507,640.40-235,382,199.72

Finding the Fourth Proportional to 423,545,976.51, 584,507,640.40 and 235,382,199.72

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Solution

The fourth proportional to 423,545,976.51, 584,507,640.40 and 235,382,199.72 is: 324,835,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,545,976.51 : 584,507,640.40 = 235,382,199.72 : x
  2. Step 2: Convert to fraction form
    423,545,976.51/584,507,640.40 = 235,382,199.72/x
  3. Step 3: Cross multiply
    423,545,976.51x = 584,507,640.40 × 235,382,199.72
  4. Step 4: Simplify right side
    423,545,976.51x = 137,582,694,150,498,736
  5. Step 5: Solve for x
    x = 137,582,694,150,498,736/423,545,976.51
  6. Step 6: Final answer
    x = 324,835,323.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.