Home / 820,426,333.53-1,230,835,279.69-267,729,790.22

Finding the Fourth Proportional to 820,426,333.53, 1,230,835,279.69 and 267,729,790.22

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Solution

The fourth proportional to 820,426,333.53, 1,230,835,279.69 and 267,729,790.22 is: 401,658,574.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    820,426,333.53 : 1,230,835,279.69 = 267,729,790.22 : x
  2. Step 2: Convert to fraction form
    820,426,333.53/1,230,835,279.69 = 267,729,790.22/x
  3. Step 3: Cross multiply
    820,426,333.53x = 1,230,835,279.69 × 267,729,790.22
  4. Step 4: Simplify right side
    820,426,333.53x = 329,531,271,220,624,576
  5. Step 5: Solve for x
    x = 329,531,271,220,624,576/820,426,333.53
  6. Step 6: Final answer
    x = 401,658,574.03

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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.