Home / 285,096,256.83-393,432,818.36-154,716,064.83

Finding the Fourth Proportional to 285,096,256.83, 393,432,818.36 and 154,716,064.83

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Solution

The fourth proportional to 285,096,256.83, 393,432,818.36 and 154,716,064.83 is: 213,508,160.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    285,096,256.83 : 393,432,818.36 = 154,716,064.83 : x
  2. Step 2: Convert to fraction form
    285,096,256.83/393,432,818.36 = 154,716,064.83/x
  3. Step 3: Cross multiply
    285,096,256.83x = 393,432,818.36 × 154,716,064.83
  4. Step 4: Simplify right side
    285,096,256.83x = 60,870,377,430,861,800
  5. Step 5: Solve for x
    x = 60,870,377,430,861,800/285,096,256.83
  6. Step 6: Final answer
    x = 213,508,160.74

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1.5x scale

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.