Home / 2,980,340,733.31-4,112,684,896.78-1,642,155,936.89

Finding the Fourth Proportional to 2,980,340,733.31, 4,112,684,896.78 and 1,642,155,936.89

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Solution

The fourth proportional to 2,980,340,733.31, 4,112,684,896.78 and 1,642,155,936.89 is: 2,266,073,084.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,340,733.31 : 4,112,684,896.78 = 1,642,155,936.89 : x
  2. Step 2: Convert to fraction form
    2,980,340,733.31/4,112,684,896.78 = 1,642,155,936.89/x
  3. Step 3: Cross multiply
    2,980,340,733.31x = 4,112,684,896.78 × 1,642,155,936.89
  4. Step 4: Simplify right side
    2,980,340,733.31x = 6,753,669,919,786,849,280
  5. Step 5: Solve for x
    x = 6,753,669,919,786,849,280/2,980,340,733.31
  6. Step 6: Final answer
    x = 2,266,073,084.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.