Home / 591,786,650.94-815,997,270.15-442,629,761.46

Finding the Fourth Proportional to 591,786,650.94, 815,997,270.15 and 442,629,761.46

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Solution

The fourth proportional to 591,786,650.94, 815,997,270.15 and 442,629,761.46 is: 610,329,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,786,650.94 : 815,997,270.15 = 442,629,761.46 : x
  2. Step 2: Convert to fraction form
    591,786,650.94/815,997,270.15 = 442,629,761.46/x
  3. Step 3: Cross multiply
    591,786,650.94x = 815,997,270.15 × 442,629,761.46
  4. Step 4: Simplify right side
    591,786,650.94x = 361,184,677,038,505,664
  5. Step 5: Solve for x
    x = 361,184,677,038,505,664/591,786,650.94
  6. Step 6: Final answer
    x = 610,329,206.42

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1.5x scale

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.