Home / 423,545,905.30-584,507,542.17-235,382,128.59

Finding the Fourth Proportional to 423,545,905.30, 584,507,542.17 and 235,382,128.59

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Solution

The fourth proportional to 423,545,905.30, 584,507,542.17 and 235,382,128.59 is: 324,835,225.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,545,905.30 : 584,507,542.17 = 235,382,128.59 : x
  2. Step 2: Convert to fraction form
    423,545,905.30/584,507,542.17 = 235,382,128.59/x
  3. Step 3: Cross multiply
    423,545,905.30x = 584,507,542.17 × 235,382,128.59
  4. Step 4: Simplify right side
    423,545,905.30x = 137,582,629,448,784,336
  5. Step 5: Solve for x
    x = 137,582,629,448,784,336/423,545,905.30
  6. Step 6: Final answer
    x = 324,835,225.01

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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.