Home / 20,118,504,940.70-30,177,757,411.05-6,868,724,216.90

Finding the Fourth Proportional to 20,118,504,940.70, 30,177,757,411.05 and 6,868,724,216.90

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Solution

The fourth proportional to 20,118,504,940.70, 30,177,757,411.05 and 6,868,724,216.90 is: 10,303,086,325.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,118,504,940.70 : 30,177,757,411.05 = 6,868,724,216.90 : x
  2. Step 2: Convert to fraction form
    20,118,504,940.70/30,177,757,411.05 = 6,868,724,216.90/x
  3. Step 3: Cross multiply
    20,118,504,940.70x = 30,177,757,411.05 × 6,868,724,216.90
  4. Step 4: Simplify right side
    20,118,504,940.70x = 207,282,693,141,012,578,304
  5. Step 5: Solve for x
    x = 207,282,693,141,012,578,304/20,118,504,940.70
  6. Step 6: Final answer
    x = 10,303,086,325.35

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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.