Home / 611,988,238.23-918,252,801.77-320,785,732.77

Finding the Fourth Proportional to 611,988,238.23, 918,252,801.77 and 320,785,732.77

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Solution

The fourth proportional to 611,988,238.23, 918,252,801.77 and 320,785,732.77 is: 481,320,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,988,238.23 : 918,252,801.77 = 320,785,732.77 : x
  2. Step 2: Convert to fraction form
    611,988,238.23/918,252,801.77 = 320,785,732.77/x
  3. Step 3: Cross multiply
    611,988,238.23x = 918,252,801.77 × 320,785,732.77
  4. Step 4: Simplify right side
    611,988,238.23x = 294,562,397,882,291,072
  5. Step 5: Solve for x
    x = 294,562,397,882,291,072/611,988,238.23
  6. Step 6: Final answer
    x = 481,320,357.94

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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.