Home / 1,327,579,664.40-1,991,369,496.60-498,531,704.40

Finding the Fourth Proportional to 1,327,579,664.40, 1,991,369,496.60 and 498,531,704.40

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Solution

The fourth proportional to 1,327,579,664.40, 1,991,369,496.60 and 498,531,704.40 is: 747,797,556.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,579,664.40 : 1,991,369,496.60 = 498,531,704.40 : x
  2. Step 2: Convert to fraction form
    1,327,579,664.40/1,991,369,496.60 = 498,531,704.40/x
  3. Step 3: Cross multiply
    1,327,579,664.40x = 1,991,369,496.60 × 498,531,704.40
  4. Step 4: Simplify right side
    1,327,579,664.40x = 992,760,829,230,167,936
  5. Step 5: Solve for x
    x = 992,760,829,230,167,936/1,327,579,664.40
  6. Step 6: Final answer
    x = 747,797,556.60

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Half scale
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Double scale
Find fourth proportional to 1,327,579,665.40, 1,991,369,498.10 and 498,531,705.40
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.