Home / 1,321,482,807.70-1,983,097,490.92-622,174,932.14

Finding the Fourth Proportional to 1,321,482,807.70, 1,983,097,490.92 and 622,174,932.14

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Solution

The fourth proportional to 1,321,482,807.70, 1,983,097,490.92 and 622,174,932.14 is: 933,673,551.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,482,807.70 : 1,983,097,490.92 = 622,174,932.14 : x
  2. Step 2: Convert to fraction form
    1,321,482,807.70/1,983,097,490.92 = 622,174,932.14/x
  3. Step 3: Cross multiply
    1,321,482,807.70x = 1,983,097,490.92 × 622,174,932.14
  4. Step 4: Simplify right side
    1,321,482,807.70x = 1,233,833,546,840,155,392
  5. Step 5: Solve for x
    x = 1,233,833,546,840,155,392/1,321,482,807.70
  6. Step 6: Final answer
    x = 933,673,551.90

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Double scale
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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.