Home / 607,845,699,146.36-911,736,436,791.83-199,378,267,721.76

Finding the Fourth Proportional to 607,845,699,146.36, 911,736,436,791.83 and 199,378,267,721.76

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Solution

The fourth proportional to 607,845,699,146.36, 911,736,436,791.83 and 199,378,267,721.76 is: 299,056,868,612.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,845,699,146.36 : 911,736,436,791.83 = 199,378,267,721.76 : x
  2. Step 2: Convert to fraction form
    607,845,699,146.36/911,736,436,791.83 = 199,378,267,721.76/x
  3. Step 3: Cross multiply
    607,845,699,146.36x = 911,736,436,791.83 × 199,378,267,721.76
  4. Step 4: Simplify right side
    607,845,699,146.36x = 181,780,431,386,364,990,193,664
  5. Step 5: Solve for x
    x = 181,780,431,386,364,990,193,664/607,845,699,146.36
  6. Step 6: Final answer
    x = 299,056,868,612.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.