Home / 504,109,556.80-756,164,335.20-197,299,700.80

Finding the Fourth Proportional to 504,109,556.80, 756,164,335.20 and 197,299,700.80

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Solution

The fourth proportional to 504,109,556.80, 756,164,335.20 and 197,299,700.80 is: 295,949,551.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,109,556.80 : 756,164,335.20 = 197,299,700.80 : x
  2. Step 2: Convert to fraction form
    504,109,556.80/756,164,335.20 = 197,299,700.80/x
  3. Step 3: Cross multiply
    504,109,556.80x = 756,164,335.20 × 197,299,700.80
  4. Step 4: Simplify right side
    504,109,556.80x = 149,190,997,090,590,912
  5. Step 5: Solve for x
    x = 149,190,997,090,590,912/504,109,556.80
  6. Step 6: Final answer
    x = 295,949,551.20

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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.