Home / 2,978,112,101.80-4,467,168,152.70-2,720,123,084.20

Finding the Fourth Proportional to 2,978,112,101.80, 4,467,168,152.70 and 2,720,123,084.20

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Solution

The fourth proportional to 2,978,112,101.80, 4,467,168,152.70 and 2,720,123,084.20 is: 4,080,184,626.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,112,101.80 : 4,467,168,152.70 = 2,720,123,084.20 : x
  2. Step 2: Convert to fraction form
    2,978,112,101.80/4,467,168,152.70 = 2,720,123,084.20/x
  3. Step 3: Cross multiply
    2,978,112,101.80x = 4,467,168,152.70 × 2,720,123,084.20
  4. Step 4: Simplify right side
    2,978,112,101.80x = 12,151,247,213,162,338,304
  5. Step 5: Solve for x
    x = 12,151,247,213,162,338,304/2,978,112,101.80
  6. Step 6: Final answer
    x = 4,080,184,626.30

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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.