Home / 543,190,384.10-814,227,563.10-266,415,911.30

Finding the Fourth Proportional to 543,190,384.10, 814,227,563.10 and 266,415,911.30

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Solution

The fourth proportional to 543,190,384.10, 814,227,563.10 and 266,415,911.30 is: 399,350,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,190,384.10 : 814,227,563.10 = 266,415,911.30 : x
  2. Step 2: Convert to fraction form
    543,190,384.10/814,227,563.10 = 266,415,911.30/x
  3. Step 3: Cross multiply
    543,190,384.10x = 814,227,563.10 × 266,415,911.30
  4. Step 4: Simplify right side
    543,190,384.10x = 216,923,178,228,864,768
  5. Step 5: Solve for x
    x = 216,923,178,228,864,768/543,190,384.10
  6. Step 6: Final answer
    x = 399,350,181.04

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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.