Home / 2,663,042,913.51-3,671,991,841.48-1,991,836,910.85

Finding the Fourth Proportional to 2,663,042,913.51, 3,671,991,841.48 and 1,991,836,910.85

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Solution

The fourth proportional to 2,663,042,913.51, 3,671,991,841.48 and 1,991,836,910.85 is: 2,746,485,551.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,663,042,913.51 : 3,671,991,841.48 = 1,991,836,910.85 : x
  2. Step 2: Convert to fraction form
    2,663,042,913.51/3,671,991,841.48 = 1,991,836,910.85/x
  3. Step 3: Cross multiply
    2,663,042,913.51x = 3,671,991,841.48 × 1,991,836,910.85
  4. Step 4: Simplify right side
    2,663,042,913.51x = 7,314,008,886,199,925,760
  5. Step 5: Solve for x
    x = 7,314,008,886,199,925,760/2,663,042,913.51
  6. Step 6: Final answer
    x = 2,746,485,551.96

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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.