Home / 403,916,471.64-606,968,730.72-219,820,060.44

Finding the Fourth Proportional to 403,916,471.64, 606,968,730.72 and 219,820,060.44

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Solution

The fourth proportional to 403,916,471.64, 606,968,730.72 and 219,820,060.44 is: 330,325,481.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,916,471.64 : 606,968,730.72 = 219,820,060.44 : x
  2. Step 2: Convert to fraction form
    403,916,471.64/606,968,730.72 = 219,820,060.44/x
  3. Step 3: Cross multiply
    403,916,471.64x = 606,968,730.72 × 219,820,060.44
  4. Step 4: Simplify right side
    403,916,471.64x = 133,423,903,072,060,496
  5. Step 5: Solve for x
    x = 133,423,903,072,060,496/403,916,471.64
  6. Step 6: Final answer
    x = 330,325,481.73

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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.