Home / 1,992,950,999.70-2,989,426,499.55-1,074,620,951.70

Finding the Fourth Proportional to 1,992,950,999.70, 2,989,426,499.55 and 1,074,620,951.70

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Solution

The fourth proportional to 1,992,950,999.70, 2,989,426,499.55 and 1,074,620,951.70 is: 1,611,931,427.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,950,999.70 : 2,989,426,499.55 = 1,074,620,951.70 : x
  2. Step 2: Convert to fraction form
    1,992,950,999.70/2,989,426,499.55 = 1,074,620,951.70/x
  3. Step 3: Cross multiply
    1,992,950,999.70x = 2,989,426,499.55 × 1,074,620,951.70
  4. Step 4: Simplify right side
    1,992,950,999.70x = 3,212,500,349,983,621,120
  5. Step 5: Solve for x
    x = 3,212,500,349,983,621,120/1,992,950,999.70
  6. Step 6: Final answer
    x = 1,611,931,427.55

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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.