Home / 311,865,163,622.64-430,376,452,740.96-172,818,767,956.77

Finding the Fourth Proportional to 311,865,163,622.64, 430,376,452,740.96 and 172,818,767,956.77

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Solution

The fourth proportional to 311,865,163,622.64, 430,376,452,740.96 and 172,818,767,956.77 is: 238,491,300,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,865,163,622.64 : 430,376,452,740.96 = 172,818,767,956.77 : x
  2. Step 2: Convert to fraction form
    311,865,163,622.64/430,376,452,740.96 = 172,818,767,956.77/x
  3. Step 3: Cross multiply
    311,865,163,622.64x = 430,376,452,740.96 × 172,818,767,956.77
  4. Step 4: Simplify right side
    311,865,163,622.64x = 74,377,128,320,297,752,068,096
  5. Step 5: Solve for x
    x = 74,377,128,320,297,752,068,096/311,865,163,622.64
  6. Step 6: Final answer
    x = 238,491,300,074.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.