Home / 12,811,283,608.74-19,219,823,095.76-6,915,716,302.38

Finding the Fourth Proportional to 12,811,283,608.74, 19,219,823,095.76 and 6,915,716,302.38

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Solution

The fourth proportional to 12,811,283,608.74, 19,219,823,095.76 and 6,915,716,302.38 is: 10,375,138,664.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,811,283,608.74 : 19,219,823,095.76 = 6,915,716,302.38 : x
  2. Step 2: Convert to fraction form
    12,811,283,608.74/19,219,823,095.76 = 6,915,716,302.38/x
  3. Step 3: Cross multiply
    12,811,283,608.74x = 19,219,823,095.76 × 6,915,716,302.38
  4. Step 4: Simplify right side
    12,811,283,608.74x = 132,918,843,912,207,056,896
  5. Step 5: Solve for x
    x = 132,918,843,912,207,056,896/12,811,283,608.74
  6. Step 6: Final answer
    x = 10,375,138,664.60

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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.