Home / 1,900,293,866.31-2,621,473,649.64-1,649,045,620.11

Finding the Fourth Proportional to 1,900,293,866.31, 2,621,473,649.64 and 1,649,045,620.11

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Solution

The fourth proportional to 1,900,293,866.31, 2,621,473,649.64 and 1,649,045,620.11 is: 2,274,874,279.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,900,293,866.31 : 2,621,473,649.64 = 1,649,045,620.11 : x
  2. Step 2: Convert to fraction form
    1,900,293,866.31/2,621,473,649.64 = 1,649,045,620.11/x
  3. Step 3: Cross multiply
    1,900,293,866.31x = 2,621,473,649.64 × 1,649,045,620.11
  4. Step 4: Simplify right side
    1,900,293,866.31x = 4,322,929,640,172,618,240
  5. Step 5: Solve for x
    x = 4,322,929,640,172,618,240/1,900,293,866.31
  6. Step 6: Final answer
    x = 2,274,874,279.61

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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.