Home / 2,061,867,560.77-2,845,470,930.85-1,215,130,619.89

Finding the Fourth Proportional to 2,061,867,560.77, 2,845,470,930.85 and 1,215,130,619.89

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Solution

The fourth proportional to 2,061,867,560.77, 2,845,470,930.85 and 1,215,130,619.89 is: 1,676,935,474.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,061,867,560.77 : 2,845,470,930.85 = 1,215,130,619.89 : x
  2. Step 2: Convert to fraction form
    2,061,867,560.77/2,845,470,930.85 = 1,215,130,619.89/x
  3. Step 3: Cross multiply
    2,061,867,560.77x = 2,845,470,930.85 × 1,215,130,619.89
  4. Step 4: Simplify right side
    2,061,867,560.77x = 3,457,618,856,087,892,992
  5. Step 5: Solve for x
    x = 3,457,618,856,087,892,992/2,061,867,560.77
  6. Step 6: Final answer
    x = 1,676,935,474.36

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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.