Home / 12,538,109,791.16-18,809,885,666.28-3,813,747,587

Finding the Fourth Proportional to 12,538,109,791.16, 18,809,885,666.28 and 3,813,747,587

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Solution

The fourth proportional to 12,538,109,791.16, 18,809,885,666.28 and 3,813,747,587 is: 5,721,449,027.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,538,109,791.16 : 18,809,885,666.28 = 3,813,747,587 : x
  2. Step 2: Convert to fraction form
    12,538,109,791.16/18,809,885,666.28 = 3,813,747,587/x
  3. Step 3: Cross multiply
    12,538,109,791.16x = 18,809,885,666.28 × 3,813,747,587
  4. Step 4: Simplify right side
    12,538,109,791.16x = 71,736,156,071,521,230,848
  5. Step 5: Solve for x
    x = 71,736,156,071,521,230,848/12,538,109,791.16
  6. Step 6: Final answer
    x = 5,721,449,027.52

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1.5x scale

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.