Home / 411,722,318.60-568,186,671.14-223,558,543.23

Finding the Fourth Proportional to 411,722,318.60, 568,186,671.14 and 223,558,543.23

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Solution

The fourth proportional to 411,722,318.60, 568,186,671.14 and 223,558,543.23 is: 308,516,149.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,722,318.60 : 568,186,671.14 = 223,558,543.23 : x
  2. Step 2: Convert to fraction form
    411,722,318.60/568,186,671.14 = 223,558,543.23/x
  3. Step 3: Cross multiply
    411,722,318.60x = 568,186,671.14 × 223,558,543.23
  4. Step 4: Simplify right side
    411,722,318.60x = 127,022,984,484,802,176
  5. Step 5: Solve for x
    x = 127,022,984,484,802,176/411,722,318.60
  6. Step 6: Final answer
    x = 308,516,149.71

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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.