Home / 504,453,908.80-756,680,863.20-309,733,926.40

Finding the Fourth Proportional to 504,453,908.80, 756,680,863.20 and 309,733,926.40

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Solution

The fourth proportional to 504,453,908.80, 756,680,863.20 and 309,733,926.40 is: 464,600,889.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,453,908.80 : 756,680,863.20 = 309,733,926.40 : x
  2. Step 2: Convert to fraction form
    504,453,908.80/756,680,863.20 = 309,733,926.40/x
  3. Step 3: Cross multiply
    504,453,908.80x = 756,680,863.20 × 309,733,926.40
  4. Step 4: Simplify right side
    504,453,908.80x = 234,369,734,790,677,280
  5. Step 5: Solve for x
    x = 234,369,734,790,677,280/504,453,908.80
  6. Step 6: Final answer
    x = 464,600,889.60

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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.