Home / 889,438,546,006.30-1,227,339,426,790.80-498,820,967,737.39

Finding the Fourth Proportional to 889,438,546,006.30, 1,227,339,426,790.80 and 498,820,967,737.39

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Solution

The fourth proportional to 889,438,546,006.30, 1,227,339,426,790.80 and 498,820,967,737.39 is: 688,324,835,215.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,438,546,006.30 : 1,227,339,426,790.80 = 498,820,967,737.39 : x
  2. Step 2: Convert to fraction form
    889,438,546,006.30/1,227,339,426,790.80 = 498,820,967,737.39/x
  3. Step 3: Cross multiply
    889,438,546,006.30x = 1,227,339,426,790.80 × 498,820,967,737.39
  4. Step 4: Simplify right side
    889,438,546,006.30x = 612,222,640,614,040,477,368,320
  5. Step 5: Solve for x
    x = 612,222,640,614,040,477,368,320/889,438,546,006.30
  6. Step 6: Final answer
    x = 688,324,835,215.43

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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.