Home / 767,524,408.51-1,059,183,675.54-415,100,399.23

Finding the Fourth Proportional to 767,524,408.51, 1,059,183,675.54 and 415,100,399.23

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Solution

The fourth proportional to 767,524,408.51, 1,059,183,675.54 and 415,100,399.23 is: 572,838,546.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,524,408.51 : 1,059,183,675.54 = 415,100,399.23 : x
  2. Step 2: Convert to fraction form
    767,524,408.51/1,059,183,675.54 = 415,100,399.23/x
  3. Step 3: Cross multiply
    767,524,408.51x = 1,059,183,675.54 × 415,100,399.23
  4. Step 4: Simplify right side
    767,524,408.51x = 439,667,566,573,772,160
  5. Step 5: Solve for x
    x = 439,667,566,573,772,160/767,524,408.51
  6. Step 6: Final answer
    x = 572,838,546.50

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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.