Home / 5,098,456,881.12-7,036,087,636.68-2,840,395,129.32

Finding the Fourth Proportional to 5,098,456,881.12, 7,036,087,636.68 and 2,840,395,129.32

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Solution

The fourth proportional to 5,098,456,881.12, 7,036,087,636.68 and 2,840,395,129.32 is: 3,919,866,249.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,098,456,881.12 : 7,036,087,636.68 = 2,840,395,129.32 : x
  2. Step 2: Convert to fraction form
    5,098,456,881.12/7,036,087,636.68 = 2,840,395,129.32/x
  3. Step 3: Cross multiply
    5,098,456,881.12x = 7,036,087,636.68 × 2,840,395,129.32
  4. Step 4: Simplify right side
    5,098,456,881.12x = 19,985,269,052,694,544,384
  5. Step 5: Solve for x
    x = 19,985,269,052,694,544,384/5,098,456,881.12
  6. Step 6: Final answer
    x = 3,919,866,249.47

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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.