Home / 298,920,633.15-448,380,949.73-217,291,295.55

Finding the Fourth Proportional to 298,920,633.15, 448,380,949.73 and 217,291,295.55

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Solution

The fourth proportional to 298,920,633.15, 448,380,949.73 and 217,291,295.55 is: 325,936,943.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,920,633.15 : 448,380,949.73 = 217,291,295.55 : x
  2. Step 2: Convert to fraction form
    298,920,633.15/448,380,949.73 = 217,291,295.55/x
  3. Step 3: Cross multiply
    298,920,633.15x = 448,380,949.73 × 217,291,295.55
  4. Step 4: Simplify right side
    298,920,633.15x = 97,429,277,466,771,136
  5. Step 5: Solve for x
    x = 97,429,277,466,771,136/298,920,633.15
  6. Step 6: Final answer
    x = 325,936,943.33

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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.