Home / 79,015,454,712.73-109,041,408,203.99-42,886,494,584.92

Finding the Fourth Proportional to 79,015,454,712.73, 109,041,408,203.99 and 42,886,494,584.92

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Solution

The fourth proportional to 79,015,454,712.73, 109,041,408,203.99 and 42,886,494,584.92 is: 59,183,406,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,015,454,712.73 : 109,041,408,203.99 = 42,886,494,584.92 : x
  2. Step 2: Convert to fraction form
    79,015,454,712.73/109,041,408,203.99 = 42,886,494,584.92/x
  3. Step 3: Cross multiply
    79,015,454,712.73x = 109,041,408,203.99 × 42,886,494,584.92
  4. Step 4: Simplify right side
    79,015,454,712.73x = 4,676,403,762,471,923,351,552
  5. Step 5: Solve for x
    x = 4,676,403,762,471,923,351,552/79,015,454,712.73
  6. Step 6: Final answer
    x = 59,183,406,328.21

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1.5x scale

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.