Home / 417,682,216.47-623,457,380.38-386,901,153.75

Finding the Fourth Proportional to 417,682,216.47, 623,457,380.38 and 386,901,153.75

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Solution

The fourth proportional to 417,682,216.47, 623,457,380.38 and 386,901,153.75 is: 577,511,730.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,682,216.47 : 623,457,380.38 = 386,901,153.75 : x
  2. Step 2: Convert to fraction form
    417,682,216.47/623,457,380.38 = 386,901,153.75/x
  3. Step 3: Cross multiply
    417,682,216.47x = 623,457,380.38 × 386,901,153.75
  4. Step 4: Simplify right side
    417,682,216.47x = 241,216,379,782,007,392
  5. Step 5: Solve for x
    x = 241,216,379,782,007,392/417,682,216.47
  6. Step 6: Final answer
    x = 577,511,730.86

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.