Home / 318,410,144,900.95-477,682,304,712.55-103,261,911,246.21

Finding the Fourth Proportional to 318,410,144,900.95, 477,682,304,712.55 and 103,261,911,246.21

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Solution

The fourth proportional to 318,410,144,900.95, 477,682,304,712.55 and 103,261,911,246.21 is: 154,914,623,616.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,410,144,900.95 : 477,682,304,712.55 = 103,261,911,246.21 : x
  2. Step 2: Convert to fraction form
    318,410,144,900.95/477,682,304,712.55 = 103,261,911,246.21/x
  3. Step 3: Cross multiply
    318,410,144,900.95x = 477,682,304,712.55 × 103,261,911,246.21
  4. Step 4: Simplify right side
    318,410,144,900.95x = 49,326,387,753,112,381,161,472
  5. Step 5: Solve for x
    x = 49,326,387,753,112,381,161,472/318,410,144,900.95
  6. Step 6: Final answer
    x = 154,914,623,616.83

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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.