Home / 7,079,623,221.76-9,769,881,002.60-3,907,807,736.80

Finding the Fourth Proportional to 7,079,623,221.76, 9,769,881,002.60 and 3,907,807,736.80

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Solution

The fourth proportional to 7,079,623,221.76, 9,769,881,002.60 and 3,907,807,736.80 is: 5,392,775,204.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,623,221.76 : 9,769,881,002.60 = 3,907,807,736.80 : x
  2. Step 2: Convert to fraction form
    7,079,623,221.76/9,769,881,002.60 = 3,907,807,736.80/x
  3. Step 3: Cross multiply
    7,079,623,221.76x = 9,769,881,002.60 × 3,907,807,736.80
  4. Step 4: Simplify right side
    7,079,623,221.76x = 38,178,816,569,575,620,608
  5. Step 5: Solve for x
    x = 38,178,816,569,575,620,608/7,079,623,221.76
  6. Step 6: Final answer
    x = 5,392,775,204.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.