Home / 507,177,383.52-760,861,648.03-192,137,776.81

Finding the Fourth Proportional to 507,177,383.52, 760,861,648.03 and 192,137,776.81

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Solution

The fourth proportional to 507,177,383.52, 760,861,648.03 and 192,137,776.81 is: 288,242,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,177,383.52 : 760,861,648.03 = 192,137,776.81 : x
  2. Step 2: Convert to fraction form
    507,177,383.52/760,861,648.03 = 192,137,776.81/x
  3. Step 3: Cross multiply
    507,177,383.52x = 760,861,648.03 × 192,137,776.81
  4. Step 4: Simplify right side
    507,177,383.52x = 146,190,265,509,378,976
  5. Step 5: Solve for x
    x = 146,190,265,509,378,976/507,177,383.52
  6. Step 6: Final answer
    x = 288,242,871.75

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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.