Home / 1,021,942,173.51-1,532,913,260.28-322,505,197.98

Finding the Fourth Proportional to 1,021,942,173.51, 1,532,913,260.28 and 322,505,197.98

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Solution

The fourth proportional to 1,021,942,173.51, 1,532,913,260.28 and 322,505,197.98 is: 483,757,796.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,942,173.51 : 1,532,913,260.28 = 322,505,197.98 : x
  2. Step 2: Convert to fraction form
    1,021,942,173.51/1,532,913,260.28 = 322,505,197.98/x
  3. Step 3: Cross multiply
    1,021,942,173.51x = 1,532,913,260.28 × 322,505,197.98
  4. Step 4: Simplify right side
    1,021,942,173.51x = 494,372,494,492,768,704
  5. Step 5: Solve for x
    x = 494,372,494,492,768,704/1,021,942,173.51
  6. Step 6: Final answer
    x = 483,757,796.97

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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.