Home / 510,336,031.90-765,504,047.85-449,869,855.90

Finding the Fourth Proportional to 510,336,031.90, 765,504,047.85 and 449,869,855.90

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Solution

The fourth proportional to 510,336,031.90, 765,504,047.85 and 449,869,855.90 is: 674,804,783.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,336,031.90 : 765,504,047.85 = 449,869,855.90 : x
  2. Step 2: Convert to fraction form
    510,336,031.90/765,504,047.85 = 449,869,855.90/x
  3. Step 3: Cross multiply
    510,336,031.90x = 765,504,047.85 × 449,869,855.90
  4. Step 4: Simplify right side
    510,336,031.90x = 344,377,195,697,146,176
  5. Step 5: Solve for x
    x = 344,377,195,697,146,176/510,336,031.90
  6. Step 6: Final answer
    x = 674,804,783.85

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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.