Home / 892,464,004.10-1,338,696,006.15-543,271,837.70

Finding the Fourth Proportional to 892,464,004.10, 1,338,696,006.15 and 543,271,837.70

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Solution

The fourth proportional to 892,464,004.10, 1,338,696,006.15 and 543,271,837.70 is: 814,907,756.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,464,004.10 : 1,338,696,006.15 = 543,271,837.70 : x
  2. Step 2: Convert to fraction form
    892,464,004.10/1,338,696,006.15 = 543,271,837.70/x
  3. Step 3: Cross multiply
    892,464,004.10x = 1,338,696,006.15 × 543,271,837.70
  4. Step 4: Simplify right side
    892,464,004.10x = 727,275,839,382,761,088
  5. Step 5: Solve for x
    x = 727,275,839,382,761,088/892,464,004.10
  6. Step 6: Final answer
    x = 814,907,756.55

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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.