Home / 356,037,068.71-491,324,651.77-197,266,612.66

Finding the Fourth Proportional to 356,037,068.71, 491,324,651.77 and 197,266,612.66

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Solution

The fourth proportional to 356,037,068.71, 491,324,651.77 and 197,266,612.66 is: 272,224,322.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,037,068.71 : 491,324,651.77 = 197,266,612.66 : x
  2. Step 2: Convert to fraction form
    356,037,068.71/491,324,651.77 = 197,266,612.66/x
  3. Step 3: Cross multiply
    356,037,068.71x = 491,324,651.77 × 197,266,612.66
  4. Step 4: Simplify right side
    356,037,068.71x = 96,921,949,771,882,720
  5. Step 5: Solve for x
    x = 96,921,949,771,882,720/356,037,068.71
  6. Step 6: Final answer
    x = 272,224,322.38

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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.