Home / 79,015,454,674.06-109,041,408,150.51-42,886,494,546.12

Finding the Fourth Proportional to 79,015,454,674.06, 109,041,408,150.51 and 42,886,494,546.12

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Solution

The fourth proportional to 79,015,454,674.06, 109,041,408,150.51 and 42,886,494,546.12 is: 59,183,406,274.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,015,454,674.06 : 109,041,408,150.51 = 42,886,494,546.12 : x
  2. Step 2: Convert to fraction form
    79,015,454,674.06/109,041,408,150.51 = 42,886,494,546.12/x
  3. Step 3: Cross multiply
    79,015,454,674.06x = 109,041,408,150.51 × 42,886,494,546.12
  4. Step 4: Simplify right side
    79,015,454,674.06x = 4,676,403,755,948,091,899,904
  5. Step 5: Solve for x
    x = 4,676,403,755,948,091,899,904/79,015,454,674.06
  6. Step 6: Final answer
    x = 59,183,406,274.61

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Double scale
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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.