Home / 6,499,378,983.60-9,742,264,186.56-2,719,936,742.28

Finding the Fourth Proportional to 6,499,378,983.60, 9,742,264,186.56 and 2,719,936,742.28

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Solution

The fourth proportional to 6,499,378,983.60, 9,742,264,186.56 and 2,719,936,742.28 is: 4,077,057,574.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,499,378,983.60 : 9,742,264,186.56 = 2,719,936,742.28 : x
  2. Step 2: Convert to fraction form
    6,499,378,983.60/9,742,264,186.56 = 2,719,936,742.28/x
  3. Step 3: Cross multiply
    6,499,378,983.60x = 9,742,264,186.56 × 2,719,936,742.28
  4. Step 4: Simplify right side
    6,499,378,983.60x = 26,498,342,314,023,120,896
  5. Step 5: Solve for x
    x = 26,498,342,314,023,120,896/6,499,378,983.60
  6. Step 6: Final answer
    x = 4,077,057,574.41

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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.