Home / 1,292,549,819.28-1,936,039,904.26-875,739,757.26

Finding the Fourth Proportional to 1,292,549,819.28, 1,936,039,904.26 and 875,739,757.26

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Solution

The fourth proportional to 1,292,549,819.28, 1,936,039,904.26 and 875,739,757.26 is: 1,311,722,836.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,549,819.28 : 1,936,039,904.26 = 875,739,757.26 : x
  2. Step 2: Convert to fraction form
    1,292,549,819.28/1,936,039,904.26 = 875,739,757.26/x
  3. Step 3: Cross multiply
    1,292,549,819.28x = 1,936,039,904.26 × 875,739,757.26
  4. Step 4: Simplify right side
    1,292,549,819.28x = 1,695,467,115,802,326,016
  5. Step 5: Solve for x
    x = 1,695,467,115,802,326,016/1,292,549,819.28
  6. Step 6: Final answer
    x = 1,311,722,836.92

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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.