Home / 212,273,430,044.55-318,454,869,974.27-68,841,274,274.82

Finding the Fourth Proportional to 212,273,430,044.55, 318,454,869,974.27 and 68,841,274,274.82

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Solution

The fourth proportional to 212,273,430,044.55, 318,454,869,974.27 and 68,841,274,274.82 is: 103,276,415,910.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,273,430,044.55 : 318,454,869,974.27 = 68,841,274,274.82 : x
  2. Step 2: Convert to fraction form
    212,273,430,044.55/318,454,869,974.27 = 68,841,274,274.82/x
  3. Step 3: Cross multiply
    212,273,430,044.55x = 318,454,869,974.27 × 68,841,274,274.82
  4. Step 4: Simplify right side
    212,273,430,044.55x = 21,922,839,048,050,863,767,552
  5. Step 5: Solve for x
    x = 21,922,839,048,050,863,767,552/212,273,430,044.55
  6. Step 6: Final answer
    x = 103,276,415,910.60

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1.5x scale

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.