Home / 552,991,991.81-763,140,198.27-302,112,633.09

Finding the Fourth Proportional to 552,991,991.81, 763,140,198.27 and 302,112,633.09

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Solution

The fourth proportional to 552,991,991.81, 763,140,198.27 and 302,112,633.09 is: 416,921,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,991,991.81 : 763,140,198.27 = 302,112,633.09 : x
  2. Step 2: Convert to fraction form
    552,991,991.81/763,140,198.27 = 302,112,633.09/x
  3. Step 3: Cross multiply
    552,991,991.81x = 763,140,198.27 × 302,112,633.09
  4. Step 4: Simplify right side
    552,991,991.81x = 230,554,294,716,174,336
  5. Step 5: Solve for x
    x = 230,554,294,716,174,336/552,991,991.81
  6. Step 6: Final answer
    x = 416,921,579.58

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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.