Home / 1,512,850,902.23-2,264,622,045.56-987,087,909.18

Finding the Fourth Proportional to 1,512,850,902.23, 2,264,622,045.56 and 987,087,909.18

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Solution

The fourth proportional to 1,512,850,902.23, 2,264,622,045.56 and 987,087,909.18 is: 1,477,595,073.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,850,902.23 : 2,264,622,045.56 = 987,087,909.18 : x
  2. Step 2: Convert to fraction form
    1,512,850,902.23/2,264,622,045.56 = 987,087,909.18/x
  3. Step 3: Cross multiply
    1,512,850,902.23x = 2,264,622,045.56 × 987,087,909.18
  4. Step 4: Simplify right side
    1,512,850,902.23x = 2,235,381,040,042,130,944
  5. Step 5: Solve for x
    x = 2,235,381,040,042,130,944/1,512,850,902.23
  6. Step 6: Final answer
    x = 1,477,595,073.48

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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.