Home / 820,426,333.16-1,230,835,279.13-267,729,789.84

Finding the Fourth Proportional to 820,426,333.16, 1,230,835,279.13 and 267,729,789.84

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Solution

The fourth proportional to 820,426,333.16, 1,230,835,279.13 and 267,729,789.84 is: 401,658,573.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,426,333.16 : 1,230,835,279.13 = 267,729,789.84 : x
  2. Step 2: Convert to fraction form
    820,426,333.16/1,230,835,279.13 = 267,729,789.84/x
  3. Step 3: Cross multiply
    820,426,333.16x = 1,230,835,279.13 × 267,729,789.84
  4. Step 4: Simplify right side
    820,426,333.16x = 329,531,270,607,793,984
  5. Step 5: Solve for x
    x = 329,531,270,607,793,984/820,426,333.16
  6. Step 6: Final answer
    x = 401,658,573.46

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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.