Home / 322,798,070.77-445,598,788.78-217,012,837.64

Finding the Fourth Proportional to 322,798,070.77, 445,598,788.78 and 217,012,837.64

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Solution

The fourth proportional to 322,798,070.77, 445,598,788.78 and 217,012,837.64 is: 299,570,122.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,798,070.77 : 445,598,788.78 = 217,012,837.64 : x
  2. Step 2: Convert to fraction form
    322,798,070.77/445,598,788.78 = 217,012,837.64/x
  3. Step 3: Cross multiply
    322,798,070.77x = 445,598,788.78 × 217,012,837.64
  4. Step 4: Simplify right side
    322,798,070.77x = 96,700,657,599,866,784
  5. Step 5: Solve for x
    x = 96,700,657,599,866,784/322,798,070.77
  6. Step 6: Final answer
    x = 299,570,122.49

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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.