Home / 322,565,334,612.48-445,140,205,337.04-178,049,491,578.81

Finding the Fourth Proportional to 322,565,334,612.48, 445,140,205,337.04 and 178,049,491,578.81

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Solution

The fourth proportional to 322,565,334,612.48, 445,140,205,337.04 and 178,049,491,578.81 is: 245,708,322,429.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,565,334,612.48 : 445,140,205,337.04 = 178,049,491,578.81 : x
  2. Step 2: Convert to fraction form
    322,565,334,612.48/445,140,205,337.04 = 178,049,491,578.81/x
  3. Step 3: Cross multiply
    322,565,334,612.48x = 445,140,205,337.04 × 178,049,491,578.81
  4. Step 4: Simplify right side
    322,565,334,612.48x = 79,256,987,241,547,053,400,064
  5. Step 5: Solve for x
    x = 79,256,987,241,547,053,400,064/322,565,334,612.48
  6. Step 6: Final answer
    x = 245,708,322,429.51

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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.