Home / 889,438,546,005.30-1,227,339,426,789.40-498,820,967,736.39

Finding the Fourth Proportional to 889,438,546,005.30, 1,227,339,426,789.40 and 498,820,967,736.39

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Solution

The fourth proportional to 889,438,546,005.30, 1,227,339,426,789.40 and 498,820,967,736.39 is: 688,324,835,214.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,438,546,005.30 : 1,227,339,426,789.40 = 498,820,967,736.39 : x
  2. Step 2: Convert to fraction form
    889,438,546,005.30/1,227,339,426,789.40 = 498,820,967,736.39/x
  3. Step 3: Cross multiply
    889,438,546,005.30x = 1,227,339,426,789.40 × 498,820,967,736.39
  4. Step 4: Simplify right side
    889,438,546,005.30x = 612,222,640,612,114,721,406,976
  5. Step 5: Solve for x
    x = 612,222,640,612,114,721,406,976/889,438,546,005.30
  6. Step 6: Final answer
    x = 688,324,835,214.04

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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.