Home / 648,659,249.46-895,145,327.91-351,294,652.80

Finding the Fourth Proportional to 648,659,249.46, 895,145,327.91 and 351,294,652.80

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Solution

The fourth proportional to 648,659,249.46, 895,145,327.91 and 351,294,652.80 is: 484,784,218.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,659,249.46 : 895,145,327.91 = 351,294,652.80 : x
  2. Step 2: Convert to fraction form
    648,659,249.46/895,145,327.91 = 351,294,652.80/x
  3. Step 3: Cross multiply
    648,659,249.46x = 895,145,327.91 × 351,294,652.80
  4. Step 4: Simplify right side
    648,659,249.46x = 314,459,767,173,685,568
  5. Step 5: Solve for x
    x = 314,459,767,173,685,568/648,659,249.46
  6. Step 6: Final answer
    x = 484,784,218.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.