Home / 354,547,521,974.43-531,853,976,399.55-115,783,422,356.07

Finding the Fourth Proportional to 354,547,521,974.43, 531,853,976,399.55 and 115,783,422,356.07

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Solution

The fourth proportional to 354,547,521,974.43, 531,853,976,399.55 and 115,783,422,356.07 is: 173,685,810,122.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,547,521,974.43 : 531,853,976,399.55 = 115,783,422,356.07 : x
  2. Step 2: Convert to fraction form
    354,547,521,974.43/531,853,976,399.55 = 115,783,422,356.07/x
  3. Step 3: Cross multiply
    354,547,521,974.43x = 531,853,976,399.55 × 115,783,422,356.07
  4. Step 4: Simplify right side
    354,547,521,974.43x = 61,579,873,581,224,389,771,264
  5. Step 5: Solve for x
    x = 61,579,873,581,224,389,771,264/354,547,521,974.43
  6. Step 6: Final answer
    x = 173,685,810,122.98

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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.