Home / 6,658,463,309.71-9,188,678,603.61-3,982,243,059.89

Finding the Fourth Proportional to 6,658,463,309.71, 9,188,678,603.61 and 3,982,243,059.89

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Solution

The fourth proportional to 6,658,463,309.71, 9,188,678,603.61 and 3,982,243,059.89 is: 5,495,494,965.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,658,463,309.71 : 9,188,678,603.61 = 3,982,243,059.89 : x
  2. Step 2: Convert to fraction form
    6,658,463,309.71/9,188,678,603.61 = 3,982,243,059.89/x
  3. Step 3: Cross multiply
    6,658,463,309.71x = 9,188,678,603.61 × 3,982,243,059.89
  4. Step 4: Simplify right side
    6,658,463,309.71x = 36,591,551,598,812,311,552
  5. Step 5: Solve for x
    x = 36,591,551,598,812,311,552/6,658,463,309.71
  6. Step 6: Final answer
    x = 5,495,494,965.85

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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.