Home / 927,347,998.40-1,391,021,997.60-497,366,302.40

Finding the Fourth Proportional to 927,347,998.40, 1,391,021,997.60 and 497,366,302.40

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Solution

The fourth proportional to 927,347,998.40, 1,391,021,997.60 and 497,366,302.40 is: 746,049,453.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,347,998.40 : 1,391,021,997.60 = 497,366,302.40 : x
  2. Step 2: Convert to fraction form
    927,347,998.40/1,391,021,997.60 = 497,366,302.40/x
  3. Step 3: Cross multiply
    927,347,998.40x = 1,391,021,997.60 × 497,366,302.40
  4. Step 4: Simplify right side
    927,347,998.40x = 691,847,467,503,373,568
  5. Step 5: Solve for x
    x = 691,847,467,503,373,568/927,347,998.40
  6. Step 6: Final answer
    x = 746,049,453.60

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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.