Home / 632,777,794.12-873,233,052.16-378,459,146.33

Finding the Fourth Proportional to 632,777,794.12, 873,233,052.16 and 378,459,146.33

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Solution

The fourth proportional to 632,777,794.12, 873,233,052.16 and 378,459,146.33 is: 522,273,440.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,777,794.12 : 873,233,052.16 = 378,459,146.33 : x
  2. Step 2: Convert to fraction form
    632,777,794.12/873,233,052.16 = 378,459,146.33/x
  3. Step 3: Cross multiply
    632,777,794.12x = 873,233,052.16 × 378,459,146.33
  4. Step 4: Simplify right side
    632,777,794.12x = 330,483,035,462,781,888
  5. Step 5: Solve for x
    x = 330,483,035,462,781,888/632,777,794.12
  6. Step 6: Final answer
    x = 522,273,440.28

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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.