Home / 1,812,774,178,880.80-2,501,615,414,769.60-989,711,109,377.82

Finding the Fourth Proportional to 1,812,774,178,880.80, 2,501,615,414,769.60 and 989,711,109,377.82

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Solution

The fourth proportional to 1,812,774,178,880.80, 2,501,615,414,769.60 and 989,711,109,377.82 is: 1,365,794,259,556.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,812,774,178,880.80 : 2,501,615,414,769.60 = 989,711,109,377.82 : x
  2. Step 2: Convert to fraction form
    1,812,774,178,880.80/2,501,615,414,769.60 = 989,711,109,377.82/x
  3. Step 3: Cross multiply
    1,812,774,178,880.80x = 2,501,615,414,769.60 × 989,711,109,377.82
  4. Step 4: Simplify right side
    1,812,774,178,880.80x = 2,475,876,567,388,276,003,962,880
  5. Step 5: Solve for x
    x = 2,475,876,567,388,276,003,962,880/1,812,774,178,880.80
  6. Step 6: Final answer
    x = 1,365,794,259,556.85

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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.