Home / 355,513,011.93-490,608,676.64-198,882,734.60

Finding the Fourth Proportional to 355,513,011.93, 490,608,676.64 and 198,882,734.60

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Solution

The fourth proportional to 355,513,011.93, 490,608,676.64 and 198,882,734.60 is: 274,458,576.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,513,011.93 : 490,608,676.64 = 198,882,734.60 : x
  2. Step 2: Convert to fraction form
    355,513,011.93/490,608,676.64 = 198,882,734.60/x
  3. Step 3: Cross multiply
    355,513,011.93x = 490,608,676.64 × 198,882,734.60
  4. Step 4: Simplify right side
    355,513,011.93x = 97,573,595,230,374,064
  5. Step 5: Solve for x
    x = 97,573,595,230,374,064/355,513,011.93
  6. Step 6: Final answer
    x = 274,458,576.64

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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.