Home / 51,541,510,852.61-77,323,394,189.83-15,689,071,471.80

Finding the Fourth Proportional to 51,541,510,852.61, 77,323,394,189.83 and 15,689,071,471.80

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Solution

The fourth proportional to 51,541,510,852.61, 77,323,394,189.83 and 15,689,071,471.80 is: 23,536,994,508.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541,510,852.61 : 77,323,394,189.83 = 15,689,071,471.80 : x
  2. Step 2: Convert to fraction form
    51,541,510,852.61/77,323,394,189.83 = 15,689,071,471.80/x
  3. Step 3: Cross multiply
    51,541,510,852.61x = 77,323,394,189.83 × 15,689,071,471.80
  4. Step 4: Simplify right side
    51,541,510,852.61x = 1,213,132,257,886,407,753,728
  5. Step 5: Solve for x
    x = 1,213,132,257,886,407,753,728/51,541,510,852.61
  6. Step 6: Final answer
    x = 23,536,994,508.28

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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.