Home / 768,077,557.26-1,059,949,667.01-415,653,454.56

Finding the Fourth Proportional to 768,077,557.26, 1,059,949,667.01 and 415,653,454.56

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Solution

The fourth proportional to 768,077,557.26, 1,059,949,667.01 and 415,653,454.56 is: 573,603,194.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,077,557.26 : 1,059,949,667.01 = 415,653,454.56 : x
  2. Step 2: Convert to fraction form
    768,077,557.26/1,059,949,667.01 = 415,653,454.56/x
  3. Step 3: Cross multiply
    768,077,557.26x = 1,059,949,667.01 × 415,653,454.56
  4. Step 4: Simplify right side
    768,077,557.26x = 440,571,740,752,428,160
  5. Step 5: Solve for x
    x = 440,571,740,752,428,160/768,077,557.26
  6. Step 6: Final answer
    x = 573,603,194.87

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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.