Home / 909,822,021.60-1,364,733,032.40-327,646,120.80

Finding the Fourth Proportional to 909,822,021.60, 1,364,733,032.40 and 327,646,120.80

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Solution

The fourth proportional to 909,822,021.60, 1,364,733,032.40 and 327,646,120.80 is: 491,469,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,822,021.60 : 1,364,733,032.40 = 327,646,120.80 : x
  2. Step 2: Convert to fraction form
    909,822,021.60/1,364,733,032.40 = 327,646,120.80/x
  3. Step 3: Cross multiply
    909,822,021.60x = 1,364,733,032.40 × 327,646,120.80
  4. Step 4: Simplify right side
    909,822,021.60x = 447,149,483,993,480,768
  5. Step 5: Solve for x
    x = 447,149,483,993,480,768/909,822,021.60
  6. Step 6: Final answer
    x = 491,469,181.20

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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.