Home / 638,014,281,651.54-880,462,361,394.30-345,039,204,463.76

Finding the Fourth Proportional to 638,014,281,651.54, 880,462,361,394.30 and 345,039,204,463.76

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Solution

The fourth proportional to 638,014,281,651.54, 880,462,361,394.30 and 345,039,204,463.76 is: 476,155,536,752.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,014,281,651.54 : 880,462,361,394.30 = 345,039,204,463.76 : x
  2. Step 2: Convert to fraction form
    638,014,281,651.54/880,462,361,394.30 = 345,039,204,463.76/x
  3. Step 3: Cross multiply
    638,014,281,651.54x = 880,462,361,394.30 × 345,039,204,463.76
  4. Step 4: Simplify right side
    638,014,281,651.54x = 303,794,032,735,772,854,976,512
  5. Step 5: Solve for x
    x = 303,794,032,735,772,854,976,512/638,014,281,651.54
  6. Step 6: Final answer
    x = 476,155,536,752.85

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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.