Home / 432,378,252.51-648,433,238.40-155,993,537.26

Finding the Fourth Proportional to 432,378,252.51, 648,433,238.40 and 155,993,537.26

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Solution

The fourth proportional to 432,378,252.51, 648,433,238.40 and 155,993,537.26 is: 233,941,910.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,378,252.51 : 648,433,238.40 = 155,993,537.26 : x
  2. Step 2: Convert to fraction form
    432,378,252.51/648,433,238.40 = 155,993,537.26/x
  3. Step 3: Cross multiply
    432,378,252.51x = 648,433,238.40 × 155,993,537.26
  4. Step 4: Simplify right side
    432,378,252.51x = 101,151,394,534,972,848
  5. Step 5: Solve for x
    x = 101,151,394,534,972,848/432,378,252.51
  6. Step 6: Final answer
    x = 233,941,910.69

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.