Home / 405,760,881.17-559,902,776.72-227,154,549.72

Finding the Fourth Proportional to 405,760,881.17, 559,902,776.72 and 227,154,549.72

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Solution

The fourth proportional to 405,760,881.17, 559,902,776.72 and 227,154,549.72 is: 313,446,832.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,760,881.17 : 559,902,776.72 = 227,154,549.72 : x
  2. Step 2: Convert to fraction form
    405,760,881.17/559,902,776.72 = 227,154,549.72/x
  3. Step 3: Cross multiply
    405,760,881.17x = 559,902,776.72 × 227,154,549.72
  4. Step 4: Simplify right side
    405,760,881.17x = 127,184,463,131,673,536
  5. Step 5: Solve for x
    x = 127,184,463,131,673,536/405,760,881.17
  6. Step 6: Final answer
    x = 313,446,832.94

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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.