Home / 728,496,667.62-1,005,312,846.51-410,957,600.22

Finding the Fourth Proportional to 728,496,667.62, 1,005,312,846.51 and 410,957,600.22

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Solution

The fourth proportional to 728,496,667.62, 1,005,312,846.51 and 410,957,600.22 is: 567,114,405.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,496,667.62 : 1,005,312,846.51 = 410,957,600.22 : x
  2. Step 2: Convert to fraction form
    728,496,667.62/1,005,312,846.51 = 410,957,600.22/x
  3. Step 3: Cross multiply
    728,496,667.62x = 1,005,312,846.51 × 410,957,600.22
  4. Step 4: Simplify right side
    728,496,667.62x = 413,140,954,872,086,848
  5. Step 5: Solve for x
    x = 413,140,954,872,086,848/728,496,667.62
  6. Step 6: Final answer
    x = 567,114,405.92

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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.