Home / 354,547,521,969.68-531,853,976,392.40-115,783,422,351.32

Finding the Fourth Proportional to 354,547,521,969.68, 531,853,976,392.40 and 115,783,422,351.32

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Solution

The fourth proportional to 354,547,521,969.68, 531,853,976,392.40 and 115,783,422,351.32 is: 173,685,810,115.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,547,521,969.68 : 531,853,976,392.40 = 115,783,422,351.32 : x
  2. Step 2: Convert to fraction form
    354,547,521,969.68/531,853,976,392.40 = 115,783,422,351.32/x
  3. Step 3: Cross multiply
    354,547,521,969.68x = 531,853,976,392.40 × 115,783,422,351.32
  4. Step 4: Simplify right side
    354,547,521,969.68x = 61,579,873,577,870,230,028,288
  5. Step 5: Solve for x
    x = 61,579,873,577,870,230,028,288/354,547,521,969.68
  6. Step 6: Final answer
    x = 173,685,810,115.85

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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.