Home / 2,978,112,034.30-4,467,168,051.45-2,720,123,016.70

Finding the Fourth Proportional to 2,978,112,034.30, 4,467,168,051.45 and 2,720,123,016.70

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Solution

The fourth proportional to 2,978,112,034.30, 4,467,168,051.45 and 2,720,123,016.70 is: 4,080,184,525.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,978,112,034.30 : 4,467,168,051.45 = 2,720,123,016.70 : x
  2. Step 2: Convert to fraction form
    2,978,112,034.30/4,467,168,051.45 = 2,720,123,016.70/x
  3. Step 3: Cross multiply
    2,978,112,034.30x = 4,467,168,051.45 × 2,720,123,016.70
  4. Step 4: Simplify right side
    2,978,112,034.30x = 12,151,246,636,216,033,280
  5. Step 5: Solve for x
    x = 12,151,246,636,216,033,280/2,978,112,034.30
  6. Step 6: Final answer
    x = 4,080,184,525.05

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Double scale
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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.