Home / 504,512,812.20-756,769,218.30-493,175,404.20

Finding the Fourth Proportional to 504,512,812.20, 756,769,218.30 and 493,175,404.20

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Solution

The fourth proportional to 504,512,812.20, 756,769,218.30 and 493,175,404.20 is: 739,763,106.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,512,812.20 : 756,769,218.30 = 493,175,404.20 : x
  2. Step 2: Convert to fraction form
    504,512,812.20/756,769,218.30 = 493,175,404.20/x
  3. Step 3: Cross multiply
    504,512,812.20x = 756,769,218.30 × 493,175,404.20
  4. Step 4: Simplify right side
    504,512,812.20x = 373,219,965,121,220,480
  5. Step 5: Solve for x
    x = 373,219,965,121,220,480/504,512,812.20
  6. Step 6: Final answer
    x = 739,763,106.30

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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.