Home / 5,218,937,424.30-7,202,134,832.67-2,872,093,968.30

Finding the Fourth Proportional to 5,218,937,424.30, 7,202,134,832.67 and 2,872,093,968.30

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Solution

The fourth proportional to 5,218,937,424.30, 7,202,134,832.67 and 2,872,093,968.30 is: 3,963,490,329.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,218,937,424.30 : 7,202,134,832.67 = 2,872,093,968.30 : x
  2. Step 2: Convert to fraction form
    5,218,937,424.30/7,202,134,832.67 = 2,872,093,968.30/x
  3. Step 3: Cross multiply
    5,218,937,424.30x = 7,202,134,832.67 × 2,872,093,968.30
  4. Step 4: Simplify right side
    5,218,937,424.30x = 20,685,208,011,794,837,504
  5. Step 5: Solve for x
    x = 20,685,208,011,794,837,504/5,218,937,424.30
  6. Step 6: Final answer
    x = 3,963,490,329.56

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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.