Home / 421,773,189.74-582,002,691.32-233,596,554.20

Finding the Fourth Proportional to 421,773,189.74, 582,002,691.32 and 233,596,554.20

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Solution

The fourth proportional to 421,773,189.74, 582,002,691.32 and 233,596,554.20 is: 322,338,703.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    421,773,189.74 : 582,002,691.32 = 233,596,554.20 : x
  2. Step 2: Convert to fraction form
    421,773,189.74/582,002,691.32 = 233,596,554.20/x
  3. Step 3: Cross multiply
    421,773,189.74x = 582,002,691.32 × 233,596,554.20
  4. Step 4: Simplify right side
    421,773,189.74x = 135,953,823,227,478,256
  5. Step 5: Solve for x
    x = 135,953,823,227,478,256/421,773,189.74
  6. Step 6: Final answer
    x = 322,338,703.68

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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.