Home / 1,165,349,930.96-1,608,163,877.32-636,702,540.24

Finding the Fourth Proportional to 1,165,349,930.96, 1,608,163,877.32 and 636,702,540.24

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Solution

The fourth proportional to 1,165,349,930.96, 1,608,163,877.32 and 636,702,540.24 is: 878,639,109.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,349,930.96 : 1,608,163,877.32 = 636,702,540.24 : x
  2. Step 2: Convert to fraction form
    1,165,349,930.96/1,608,163,877.32 = 636,702,540.24/x
  3. Step 3: Cross multiply
    1,165,349,930.96x = 1,608,163,877.32 × 636,702,540.24
  4. Step 4: Simplify right side
    1,165,349,930.96x = 1,023,922,025,811,851,648
  5. Step 5: Solve for x
    x = 1,023,922,025,811,851,648/1,165,349,930.96
  6. Step 6: Final answer
    x = 878,639,109.69

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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.