Home / 909,822,029.10-1,364,733,043.65-327,646,128.30

Finding the Fourth Proportional to 909,822,029.10, 1,364,733,043.65 and 327,646,128.30

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Solution

The fourth proportional to 909,822,029.10, 1,364,733,043.65 and 327,646,128.30 is: 491,469,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,822,029.10 : 1,364,733,043.65 = 327,646,128.30 : x
  2. Step 2: Convert to fraction form
    909,822,029.10/1,364,733,043.65 = 327,646,128.30/x
  3. Step 3: Cross multiply
    909,822,029.10x = 1,364,733,043.65 × 327,646,128.30
  4. Step 4: Simplify right side
    909,822,029.10x = 447,149,497,914,997,440
  5. Step 5: Solve for x
    x = 447,149,497,914,997,440/909,822,029.10
  6. Step 6: Final answer
    x = 491,469,192.45

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Double scale
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Similar ratio
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1.5x scale

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.