Home / 490,680,831.80-735,396,057.30-260,760,063.80

Finding the Fourth Proportional to 490,680,831.80, 735,396,057.30 and 260,760,063.80

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Solution

The fourth proportional to 490,680,831.80, 735,396,057.30 and 260,760,063.80 is: 390,807,853.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,680,831.80 : 735,396,057.30 = 260,760,063.80 : x
  2. Step 2: Convert to fraction form
    490,680,831.80/735,396,057.30 = 260,760,063.80/x
  3. Step 3: Cross multiply
    490,680,831.80x = 735,396,057.30 × 260,760,063.80
  4. Step 4: Simplify right side
    490,680,831.80x = 191,761,922,819,816,448
  5. Step 5: Solve for x
    x = 191,761,922,819,816,448/490,680,831.80
  6. Step 6: Final answer
    x = 390,807,853.89

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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.