Home / 405,760,879.71-559,902,774.70-227,154,548.25

Finding the Fourth Proportional to 405,760,879.71, 559,902,774.70 and 227,154,548.25

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Solution

The fourth proportional to 405,760,879.71, 559,902,774.70 and 227,154,548.25 is: 313,446,830.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,760,879.71 : 559,902,774.70 = 227,154,548.25 : x
  2. Step 2: Convert to fraction form
    405,760,879.71/559,902,774.70 = 227,154,548.25/x
  3. Step 3: Cross multiply
    405,760,879.71x = 559,902,774.70 × 227,154,548.25
  4. Step 4: Simplify right side
    405,760,879.71x = 127,184,461,852,299,792
  5. Step 5: Solve for x
    x = 127,184,461,852,299,792/405,760,879.71
  6. Step 6: Final answer
    x = 313,446,830.91

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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.