Home / 423,545,904.30-584,507,540.79-235,382,127.59

Finding the Fourth Proportional to 423,545,904.30, 584,507,540.79 and 235,382,127.59

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Solution

The fourth proportional to 423,545,904.30, 584,507,540.79 and 235,382,127.59 is: 324,835,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,545,904.30 : 584,507,540.79 = 235,382,127.59 : x
  2. Step 2: Convert to fraction form
    423,545,904.30/584,507,540.79 = 235,382,127.59/x
  3. Step 3: Cross multiply
    423,545,904.30x = 584,507,540.79 × 235,382,127.59
  4. Step 4: Simplify right side
    423,545,904.30x = 137,582,628,539,449,456
  5. Step 5: Solve for x
    x = 137,582,628,539,449,456/423,545,904.30
  6. Step 6: Final answer
    x = 324,835,223.63

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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.