Home / 2,980,340,748.10-4,112,684,917.07-1,642,155,951.68

Finding the Fourth Proportional to 2,980,340,748.10, 4,112,684,917.07 and 1,642,155,951.68

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Solution

The fourth proportional to 2,980,340,748.10, 4,112,684,917.07 and 1,642,155,951.68 is: 2,266,073,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,980,340,748.10 : 4,112,684,917.07 = 1,642,155,951.68 : x
  2. Step 2: Convert to fraction form
    2,980,340,748.10/4,112,684,917.07 = 1,642,155,951.68/x
  3. Step 3: Cross multiply
    2,980,340,748.10x = 4,112,684,917.07 × 1,642,155,951.68
  4. Step 4: Simplify right side
    2,980,340,748.10x = 6,753,670,013,951,068,160
  5. Step 5: Solve for x
    x = 6,753,670,013,951,068,160/2,980,340,748.10
  6. Step 6: Final answer
    x = 2,266,073,105.32

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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.