Home / 501,422,446.40-752,133,669.60-415,258,145.60

Finding the Fourth Proportional to 501,422,446.40, 752,133,669.60 and 415,258,145.60

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Solution

The fourth proportional to 501,422,446.40, 752,133,669.60 and 415,258,145.60 is: 622,887,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,422,446.40 : 752,133,669.60 = 415,258,145.60 : x
  2. Step 2: Convert to fraction form
    501,422,446.40/752,133,669.60 = 415,258,145.60/x
  3. Step 3: Cross multiply
    501,422,446.40x = 752,133,669.60 × 415,258,145.60
  4. Step 4: Simplify right side
    501,422,446.40x = 312,329,632,881,419,136
  5. Step 5: Solve for x
    x = 312,329,632,881,419,136/501,422,446.40
  6. Step 6: Final answer
    x = 622,887,218.40

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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.