Home / 1,489,106,570.10-2,233,659,855.15-398,589,638.10

Finding the Fourth Proportional to 1,489,106,570.10, 2,233,659,855.15 and 398,589,638.10

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Solution

The fourth proportional to 1,489,106,570.10, 2,233,659,855.15 and 398,589,638.10 is: 597,884,457.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,106,570.10 : 2,233,659,855.15 = 398,589,638.10 : x
  2. Step 2: Convert to fraction form
    1,489,106,570.10/2,233,659,855.15 = 398,589,638.10/x
  3. Step 3: Cross multiply
    1,489,106,570.10x = 2,233,659,855.15 × 398,589,638.10
  4. Step 4: Simplify right side
    1,489,106,570.10x = 890,313,673,302,737,024
  5. Step 5: Solve for x
    x = 890,313,673,302,737,024/1,489,106,570.10
  6. Step 6: Final answer
    x = 597,884,457.15

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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.