Home / 2,978,112,074.30-4,467,168,111.45-2,720,123,056.70

Finding the Fourth Proportional to 2,978,112,074.30, 4,467,168,111.45 and 2,720,123,056.70

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Solution

The fourth proportional to 2,978,112,074.30, 4,467,168,111.45 and 2,720,123,056.70 is: 4,080,184,585.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,112,074.30 : 4,467,168,111.45 = 2,720,123,056.70 : x
  2. Step 2: Convert to fraction form
    2,978,112,074.30/4,467,168,111.45 = 2,720,123,056.70/x
  3. Step 3: Cross multiply
    2,978,112,074.30x = 4,467,168,111.45 × 2,720,123,056.70
  4. Step 4: Simplify right side
    2,978,112,074.30x = 12,151,246,978,110,138,368
  5. Step 5: Solve for x
    x = 12,151,246,978,110,138,368/2,978,112,074.30
  6. Step 6: Final answer
    x = 4,080,184,585.05

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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.