Home / 504,453,774.80-756,680,662.20-309,733,792.40

Finding the Fourth Proportional to 504,453,774.80, 756,680,662.20 and 309,733,792.40

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Solution

The fourth proportional to 504,453,774.80, 756,680,662.20 and 309,733,792.40 is: 464,600,688.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,453,774.80 : 756,680,662.20 = 309,733,792.40 : x
  2. Step 2: Convert to fraction form
    504,453,774.80/756,680,662.20 = 309,733,792.40/x
  3. Step 3: Cross multiply
    504,453,774.80x = 756,680,662.20 × 309,733,792.40
  4. Step 4: Simplify right side
    504,453,774.80x = 234,369,571,138,949,312
  5. Step 5: Solve for x
    x = 234,369,571,138,949,312/504,453,774.80
  6. Step 6: Final answer
    x = 464,600,688.60

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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.