Home / 1,117,798,800.45-1,542,517,433.82-609,150,712.59

Finding the Fourth Proportional to 1,117,798,800.45, 1,542,517,433.82 and 609,150,712.59

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Solution

The fourth proportional to 1,117,798,800.45, 1,542,517,433.82 and 609,150,712.59 is: 840,603,508.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,798,800.45 : 1,542,517,433.82 = 609,150,712.59 : x
  2. Step 2: Convert to fraction form
    1,117,798,800.45/1,542,517,433.82 = 609,150,712.59/x
  3. Step 3: Cross multiply
    1,117,798,800.45x = 1,542,517,433.82 × 609,150,712.59
  4. Step 4: Simplify right side
    1,117,798,800.45x = 939,625,593,999,123,072
  5. Step 5: Solve for x
    x = 939,625,593,999,123,072/1,117,798,800.45
  6. Step 6: Final answer
    x = 840,603,508.98

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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.