Home / 2,021,890,247.80-3,032,835,371.70-1,320,482,606.20

Finding the Fourth Proportional to 2,021,890,247.80, 3,032,835,371.70 and 1,320,482,606.20

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Solution

The fourth proportional to 2,021,890,247.80, 3,032,835,371.70 and 1,320,482,606.20 is: 1,980,723,909.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,890,247.80 : 3,032,835,371.70 = 1,320,482,606.20 : x
  2. Step 2: Convert to fraction form
    2,021,890,247.80/3,032,835,371.70 = 1,320,482,606.20/x
  3. Step 3: Cross multiply
    2,021,890,247.80x = 3,032,835,371.70 × 1,320,482,606.20
  4. Step 4: Simplify right side
    2,021,890,247.80x = 4,004,806,355,797,961,728
  5. Step 5: Solve for x
    x = 4,004,806,355,797,961,728/2,021,890,247.80
  6. Step 6: Final answer
    x = 1,980,723,909.30

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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.