Home / 802,557,135.39-1,107,532,769.76-450,151,959.81

Finding the Fourth Proportional to 802,557,135.39, 1,107,532,769.76 and 450,151,959.81

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Solution

The fourth proportional to 802,557,135.39, 1,107,532,769.76 and 450,151,959.81 is: 621,211,904.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,557,135.39 : 1,107,532,769.76 = 450,151,959.81 : x
  2. Step 2: Convert to fraction form
    802,557,135.39/1,107,532,769.76 = 450,151,959.81/x
  3. Step 3: Cross multiply
    802,557,135.39x = 1,107,532,769.76 × 450,151,959.81
  4. Step 4: Simplify right side
    802,557,135.39x = 498,558,046,861,261,504
  5. Step 5: Solve for x
    x = 498,558,046,861,261,504/802,557,135.39
  6. Step 6: Final answer
    x = 621,211,904.89

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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.