Home / 12,811,283,511.30-19,219,822,949.61-6,915,716,204.94

Finding the Fourth Proportional to 12,811,283,511.30, 19,219,822,949.61 and 6,915,716,204.94

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Solution

The fourth proportional to 12,811,283,511.30, 19,219,822,949.61 and 6,915,716,204.94 is: 10,375,138,518.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,283,511.30 : 19,219,822,949.61 = 6,915,716,204.94 : x
  2. Step 2: Convert to fraction form
    12,811,283,511.30/19,219,822,949.61 = 6,915,716,204.94/x
  3. Step 3: Cross multiply
    12,811,283,511.30x = 19,219,822,949.61 × 6,915,716,204.94
  4. Step 4: Simplify right side
    12,811,283,511.30x = 132,918,841,028,695,588,864
  5. Step 5: Solve for x
    x = 132,918,841,028,695,588,864/12,811,283,511.30
  6. Step 6: Final answer
    x = 10,375,138,518.44

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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.