Home / 417,682,216.72-623,457,380.75-386,901,154

Finding the Fourth Proportional to 417,682,216.72, 623,457,380.75 and 386,901,154

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Solution

The fourth proportional to 417,682,216.72, 623,457,380.75 and 386,901,154 is: 577,511,731.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,682,216.72 : 623,457,380.75 = 386,901,154 : x
  2. Step 2: Convert to fraction form
    417,682,216.72/623,457,380.75 = 386,901,154/x
  3. Step 3: Cross multiply
    417,682,216.72x = 623,457,380.75 × 386,901,154
  4. Step 4: Simplify right side
    417,682,216.72x = 241,216,380,081,992,384
  5. Step 5: Solve for x
    x = 241,216,380,081,992,384/417,682,216.72
  6. Step 6: Final answer
    x = 577,511,731.23

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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.