Home / 7,079,623,217.78-9,769,880,997.08-3,907,807,732.81

Finding the Fourth Proportional to 7,079,623,217.78, 9,769,880,997.08 and 3,907,807,732.81

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Solution

The fourth proportional to 7,079,623,217.78, 9,769,880,997.08 and 3,907,807,732.81 is: 5,392,775,199.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,079,623,217.78 : 9,769,880,997.08 = 3,907,807,732.81 : x
  2. Step 2: Convert to fraction form
    7,079,623,217.78/9,769,880,997.08 = 3,907,807,732.81/x
  3. Step 3: Cross multiply
    7,079,623,217.78x = 9,769,880,997.08 × 3,907,807,732.81
  4. Step 4: Simplify right side
    7,079,623,217.78x = 38,178,816,509,025,624,064
  5. Step 5: Solve for x
    x = 38,178,816,509,025,624,064/7,079,623,217.78
  6. Step 6: Final answer
    x = 5,392,775,199.27

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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.