Home / 543,656,218.48-815,150,588.13-211,275,131.98

Finding the Fourth Proportional to 543,656,218.48, 815,150,588.13 and 211,275,131.98

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Solution

The fourth proportional to 543,656,218.48, 815,150,588.13 and 211,275,131.98 is: 316,783,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,656,218.48 : 815,150,588.13 = 211,275,131.98 : x
  2. Step 2: Convert to fraction form
    543,656,218.48/815,150,588.13 = 211,275,131.98/x
  3. Step 3: Cross multiply
    543,656,218.48x = 815,150,588.13 × 211,275,131.98
  4. Step 4: Simplify right side
    543,656,218.48x = 172,221,048,088,702,496
  5. Step 5: Solve for x
    x = 172,221,048,088,702,496/543,656,218.48
  6. Step 6: Final answer
    x = 316,783,000.42

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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.