Home / 561,455,999.70-842,183,999.55-197,829,503.70

Finding the Fourth Proportional to 561,455,999.70, 842,183,999.55 and 197,829,503.70

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Solution

The fourth proportional to 561,455,999.70, 842,183,999.55 and 197,829,503.70 is: 296,744,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,455,999.70 : 842,183,999.55 = 197,829,503.70 : x
  2. Step 2: Convert to fraction form
    561,455,999.70/842,183,999.55 = 197,829,503.70/x
  3. Step 3: Cross multiply
    561,455,999.70x = 842,183,999.55 × 197,829,503.70
  4. Step 4: Simplify right side
    561,455,999.70x = 166,608,842,655,057,504
  5. Step 5: Solve for x
    x = 166,608,842,655,057,504/561,455,999.70
  6. Step 6: Final answer
    x = 296,744,255.55

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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.