Home / 1,560,048,400.20-2,340,072,600.30-640,584,611.40

Finding the Fourth Proportional to 1,560,048,400.20, 2,340,072,600.30 and 640,584,611.40

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Solution

The fourth proportional to 1,560,048,400.20, 2,340,072,600.30 and 640,584,611.40 is: 960,876,917.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,560,048,400.20 : 2,340,072,600.30 = 640,584,611.40 : x
  2. Step 2: Convert to fraction form
    1,560,048,400.20/2,340,072,600.30 = 640,584,611.40/x
  3. Step 3: Cross multiply
    1,560,048,400.20x = 2,340,072,600.30 × 640,584,611.40
  4. Step 4: Simplify right side
    1,560,048,400.20x = 1,499,014,497,310,963,200
  5. Step 5: Solve for x
    x = 1,499,014,497,310,963,200/1,560,048,400.20
  6. Step 6: Final answer
    x = 960,876,917.10

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Double scale
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Similar ratio
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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.