Home / 411,731,182.67-568,189,705.21-223,559,840.47

Finding the Fourth Proportional to 411,731,182.67, 568,189,705.21 and 223,559,840.47

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Solution

The fourth proportional to 411,731,182.67, 568,189,705.21 and 223,559,840.47 is: 308,512,945.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,731,182.67 : 568,189,705.21 = 223,559,840.47 : x
  2. Step 2: Convert to fraction form
    411,731,182.67/568,189,705.21 = 223,559,840.47/x
  3. Step 3: Cross multiply
    411,731,182.67x = 568,189,705.21 × 223,559,840.47
  4. Step 4: Simplify right side
    411,731,182.67x = 127,024,399,853,443,936
  5. Step 5: Solve for x
    x = 127,024,399,853,443,936/411,731,182.67
  6. Step 6: Final answer
    x = 308,512,945.34

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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.