Home / 405,760,881.27-559,902,776.84-227,154,549.81

Finding the Fourth Proportional to 405,760,881.27, 559,902,776.84 and 227,154,549.81

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Solution

The fourth proportional to 405,760,881.27, 559,902,776.84 and 227,154,549.81 is: 313,446,833.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,760,881.27 : 559,902,776.84 = 227,154,549.81 : x
  2. Step 2: Convert to fraction form
    405,760,881.27/559,902,776.84 = 227,154,549.81/x
  3. Step 3: Cross multiply
    405,760,881.27x = 559,902,776.84 × 227,154,549.81
  4. Step 4: Simplify right side
    405,760,881.27x = 127,184,463,209,323,328
  5. Step 5: Solve for x
    x = 127,184,463,209,323,328/405,760,881.27
  6. Step 6: Final answer
    x = 313,446,833.05

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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.