Home / 417,682,215.72-623,457,379.26-386,901,153

Finding the Fourth Proportional to 417,682,215.72, 623,457,379.26 and 386,901,153

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Solution

The fourth proportional to 417,682,215.72, 623,457,379.26 and 386,901,153 is: 577,511,729.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,682,215.72 : 623,457,379.26 = 386,901,153 : x
  2. Step 2: Convert to fraction form
    417,682,215.72/623,457,379.26 = 386,901,153/x
  3. Step 3: Cross multiply
    417,682,215.72x = 623,457,379.26 × 386,901,153
  4. Step 4: Simplify right side
    417,682,215.72x = 241,216,378,882,052,288
  5. Step 5: Solve for x
    x = 241,216,378,882,052,288/417,682,215.72
  6. Step 6: Final answer
    x = 577,511,729.74

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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.