Home / 2,021,890,218.80-3,032,835,328.20-1,320,482,577.20

Finding the Fourth Proportional to 2,021,890,218.80, 3,032,835,328.20 and 1,320,482,577.20

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Solution

The fourth proportional to 2,021,890,218.80, 3,032,835,328.20 and 1,320,482,577.20 is: 1,980,723,865.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,021,890,218.80 : 3,032,835,328.20 = 1,320,482,577.20 : x
  2. Step 2: Convert to fraction form
    2,021,890,218.80/3,032,835,328.20 = 1,320,482,577.20/x
  3. Step 3: Cross multiply
    2,021,890,218.80x = 3,032,835,328.20 × 1,320,482,577.20
  4. Step 4: Simplify right side
    2,021,890,218.80x = 4,004,806,210,404,743,680
  5. Step 5: Solve for x
    x = 4,004,806,210,404,743,680/2,021,890,218.80
  6. Step 6: Final answer
    x = 1,980,723,865.80

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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.