Home / 484,057,320.79-724,582,971.92-262,177,578.61

Finding the Fourth Proportional to 484,057,320.79, 724,582,971.92 and 262,177,578.61

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Solution

The fourth proportional to 484,057,320.79, 724,582,971.92 and 262,177,578.61 is: 392,452,300.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,057,320.79 : 724,582,971.92 = 262,177,578.61 : x
  2. Step 2: Convert to fraction form
    484,057,320.79/724,582,971.92 = 262,177,578.61/x
  3. Step 3: Cross multiply
    484,057,320.79x = 724,582,971.92 × 262,177,578.61
  4. Step 4: Simplify right side
    484,057,320.79x = 189,969,409,082,939,360
  5. Step 5: Solve for x
    x = 189,969,409,082,939,360/484,057,320.79
  6. Step 6: Final answer
    x = 392,452,300.43

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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.