Home / 354,547,521,942.52-531,853,976,352.44-115,783,422,328.20

Finding the Fourth Proportional to 354,547,521,942.52, 531,853,976,352.44 and 115,783,422,328.20

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Solution

The fourth proportional to 354,547,521,942.52, 531,853,976,352.44 and 115,783,422,328.20 is: 173,685,810,081.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,547,521,942.52 : 531,853,976,352.44 = 115,783,422,328.20 : x
  2. Step 2: Convert to fraction form
    354,547,521,942.52/531,853,976,352.44 = 115,783,422,328.20/x
  3. Step 3: Cross multiply
    354,547,521,942.52x = 531,853,976,352.44 × 115,783,422,328.20
  4. Step 4: Simplify right side
    354,547,521,942.52x = 61,579,873,560,947,052,249,088
  5. Step 5: Solve for x
    x = 61,579,873,560,947,052,249,088/354,547,521,942.52
  6. Step 6: Final answer
    x = 173,685,810,081.42

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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.