Home / 3,771,993,759.31-5,205,116,848.16-2,078,353,626.35

Finding the Fourth Proportional to 3,771,993,759.31, 5,205,116,848.16 and 2,078,353,626.35

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Solution

The fourth proportional to 3,771,993,759.31, 5,205,116,848.16 and 2,078,353,626.35 is: 2,867,998,773.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,771,993,759.31 : 5,205,116,848.16 = 2,078,353,626.35 : x
  2. Step 2: Convert to fraction form
    3,771,993,759.31/5,205,116,848.16 = 2,078,353,626.35/x
  3. Step 3: Cross multiply
    3,771,993,759.31x = 5,205,116,848.16 × 2,078,353,626.35
  4. Step 4: Simplify right side
    3,771,993,759.31x = 10,818,073,476,927,989,760
  5. Step 5: Solve for x
    x = 10,818,073,476,927,989,760/3,771,993,759.31
  6. Step 6: Final answer
    x = 2,867,998,773.92

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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.