Home / 2,021,890,220.80-3,032,835,331.20-1,320,482,579.20

Finding the Fourth Proportional to 2,021,890,220.80, 3,032,835,331.20 and 1,320,482,579.20

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Solution

The fourth proportional to 2,021,890,220.80, 3,032,835,331.20 and 1,320,482,579.20 is: 1,980,723,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,890,220.80 : 3,032,835,331.20 = 1,320,482,579.20 : x
  2. Step 2: Convert to fraction form
    2,021,890,220.80/3,032,835,331.20 = 1,320,482,579.20/x
  3. Step 3: Cross multiply
    2,021,890,220.80x = 3,032,835,331.20 × 1,320,482,579.20
  4. Step 4: Simplify right side
    2,021,890,220.80x = 4,004,806,220,431,862,272
  5. Step 5: Solve for x
    x = 4,004,806,220,431,862,272/2,021,890,220.80
  6. Step 6: Final answer
    x = 1,980,723,868.80

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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.