Home / 550,380,910.12-759,516,045.06-299,476,837.72

Finding the Fourth Proportional to 550,380,910.12, 759,516,045.06 and 299,476,837.72

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Solution

The fourth proportional to 550,380,910.12, 759,516,045.06 and 299,476,837.72 is: 413,272,806.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,380,910.12 : 759,516,045.06 = 299,476,837.72 : x
  2. Step 2: Convert to fraction form
    550,380,910.12/759,516,045.06 = 299,476,837.72/x
  3. Step 3: Cross multiply
    550,380,910.12x = 759,516,045.06 × 299,476,837.72
  4. Step 4: Simplify right side
    550,380,910.12x = 227,457,463,372,169,824
  5. Step 5: Solve for x
    x = 227,457,463,372,169,824/550,380,910.12
  6. Step 6: Final answer
    x = 413,272,806.51

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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.