Home / 726,208,799.33-1,089,313,162.54-690,923,957.60

Finding the Fourth Proportional to 726,208,799.33, 1,089,313,162.54 and 690,923,957.60

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Solution

The fourth proportional to 726,208,799.33, 1,089,313,162.54 and 690,923,957.60 is: 1,036,385,901.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,208,799.33 : 1,089,313,162.54 = 690,923,957.60 : x
  2. Step 2: Convert to fraction form
    726,208,799.33/1,089,313,162.54 = 690,923,957.60/x
  3. Step 3: Cross multiply
    726,208,799.33x = 1,089,313,162.54 × 690,923,957.60
  4. Step 4: Simplify right side
    726,208,799.33x = 752,632,561,323,458,176
  5. Step 5: Solve for x
    x = 752,632,561,323,458,176/726,208,799.33
  6. Step 6: Final answer
    x = 1,036,385,901.71

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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.