Home / 51,541,510,851.61-77,323,394,188.33-15,689,071,470.80

Finding the Fourth Proportional to 51,541,510,851.61, 77,323,394,188.33 and 15,689,071,470.80

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Solution

The fourth proportional to 51,541,510,851.61, 77,323,394,188.33 and 15,689,071,470.80 is: 23,536,994,506.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,541,510,851.61 : 77,323,394,188.33 = 15,689,071,470.80 : x
  2. Step 2: Convert to fraction form
    51,541,510,851.61/77,323,394,188.33 = 15,689,071,470.80/x
  3. Step 3: Cross multiply
    51,541,510,851.61x = 77,323,394,188.33 × 15,689,071,470.80
  4. Step 4: Simplify right side
    51,541,510,851.61x = 1,213,132,257,785,658,212,352
  5. Step 5: Solve for x
    x = 1,213,132,257,785,658,212,352/51,541,510,851.61
  6. Step 6: Final answer
    x = 23,536,994,506.78

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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.