Home / 448,448,973.89-619,165,583.75-290,063,022.17

Finding the Fourth Proportional to 448,448,973.89, 619,165,583.75 and 290,063,022.17

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Solution

The fourth proportional to 448,448,973.89, 619,165,583.75 and 290,063,022.17 is: 400,484,895.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,448,973.89 : 619,165,583.75 = 290,063,022.17 : x
  2. Step 2: Convert to fraction form
    448,448,973.89/619,165,583.75 = 290,063,022.17/x
  3. Step 3: Cross multiply
    448,448,973.89x = 619,165,583.75 × 290,063,022.17
  4. Step 4: Simplify right side
    448,448,973.89x = 179,597,040,443,800,800
  5. Step 5: Solve for x
    x = 179,597,040,443,800,800/448,448,973.89
  6. Step 6: Final answer
    x = 400,484,895.50

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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.