Home / 405,760,962.11-559,902,888.17-227,154,630.66

Finding the Fourth Proportional to 405,760,962.11, 559,902,888.17 and 227,154,630.66

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Solution

The fourth proportional to 405,760,962.11, 559,902,888.17 and 227,154,630.66 is: 313,446,944.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,760,962.11 : 559,902,888.17 = 227,154,630.66 : x
  2. Step 2: Convert to fraction form
    405,760,962.11/559,902,888.17 = 227,154,630.66/x
  3. Step 3: Cross multiply
    405,760,962.11x = 559,902,888.17 × 227,154,630.66
  4. Step 4: Simplify right side
    405,760,962.11x = 127,184,533,766,587,856
  5. Step 5: Solve for x
    x = 127,184,533,766,587,856/405,760,962.11
  6. Step 6: Final answer
    x = 313,446,944.49

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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.