Home / 411,722,320.35-568,186,673.56-223,558,544.98

Finding the Fourth Proportional to 411,722,320.35, 568,186,673.56 and 223,558,544.98

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Solution

The fourth proportional to 411,722,320.35, 568,186,673.56 and 223,558,544.98 is: 308,516,152.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,722,320.35 : 568,186,673.56 = 223,558,544.98 : x
  2. Step 2: Convert to fraction form
    411,722,320.35/568,186,673.56 = 223,558,544.98/x
  3. Step 3: Cross multiply
    411,722,320.35x = 568,186,673.56 × 223,558,544.98
  4. Step 4: Simplify right side
    411,722,320.35x = 127,022,986,018,099,824
  5. Step 5: Solve for x
    x = 127,022,986,018,099,824/411,722,320.35
  6. Step 6: Final answer
    x = 308,516,152.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.