Home / 18,813,865,133.20-25,962,927,850.92-10,355,508,069.52

Finding the Fourth Proportional to 18,813,865,133.20, 25,962,927,850.92 and 10,355,508,069.52

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Solution

The fourth proportional to 18,813,865,133.20, 25,962,927,850.92 and 10,355,508,069.52 is: 14,290,487,731.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,813,865,133.20 : 25,962,927,850.92 = 10,355,508,069.52 : x
  2. Step 2: Convert to fraction form
    18,813,865,133.20/25,962,927,850.92 = 10,355,508,069.52/x
  3. Step 3: Cross multiply
    18,813,865,133.20x = 25,962,927,850.92 × 10,355,508,069.52
  4. Step 4: Simplify right side
    18,813,865,133.20x = 268,859,308,868,567,597,056
  5. Step 5: Solve for x
    x = 268,859,308,868,567,597,056/18,813,865,133.20
  6. Step 6: Final answer
    x = 14,290,487,731.53

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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.