Home / 6,929,139,671.96-10,389,558,789.68-2,205,421,193.10

Finding the Fourth Proportional to 6,929,139,671.96, 10,389,558,789.68 and 2,205,421,193.10

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Solution

The fourth proportional to 6,929,139,671.96, 10,389,558,789.68 and 2,205,421,193.10 is: 3,306,810,690.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,929,139,671.96 : 10,389,558,789.68 = 2,205,421,193.10 : x
  2. Step 2: Convert to fraction form
    6,929,139,671.96/10,389,558,789.68 = 2,205,421,193.10/x
  3. Step 3: Cross multiply
    6,929,139,671.96x = 10,389,558,789.68 × 2,205,421,193.10
  4. Step 4: Simplify right side
    6,929,139,671.96x = 22,913,353,141,718,659,072
  5. Step 5: Solve for x
    x = 22,913,353,141,718,659,072/6,929,139,671.96
  6. Step 6: Final answer
    x = 3,306,810,690.29

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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.