Home / 1,820,478,162-2,512,266,525-985,102,741.20

Finding the Fourth Proportional to 1,820,478,162, 2,512,266,525 and 985,102,741.20

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Solution

The fourth proportional to 1,820,478,162, 2,512,266,525 and 985,102,741.20 is: 1,359,445,387.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,820,478,162 : 2,512,266,525 = 985,102,741.20 : x
  2. Step 2: Convert to fraction form
    1,820,478,162/2,512,266,525 = 985,102,741.20/x
  3. Step 3: Cross multiply
    1,820,478,162x = 2,512,266,525 × 985,102,741.20
  4. Step 4: Simplify right side
    1,820,478,162x = 2,474,840,640,402,498,560
  5. Step 5: Solve for x
    x = 2,474,840,640,402,498,560/1,820,478,162
  6. Step 6: Final answer
    x = 1,359,445,387.51

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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.