Home / 1,250,979,650.42-1,876,578,533.42-410,370,356.70

Finding the Fourth Proportional to 1,250,979,650.42, 1,876,578,533.42 and 410,370,356.70

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Solution

The fourth proportional to 1,250,979,650.42, 1,876,578,533.42 and 410,370,356.70 is: 615,591,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250,979,650.42 : 1,876,578,533.42 = 410,370,356.70 : x
  2. Step 2: Convert to fraction form
    1,250,979,650.42/1,876,578,533.42 = 410,370,356.70/x
  3. Step 3: Cross multiply
    1,250,979,650.42x = 1,876,578,533.42 × 410,370,356.70
  4. Step 4: Simplify right side
    1,250,979,650.42x = 770,092,202,133,076,352
  5. Step 5: Solve for x
    x = 770,092,202,133,076,352/1,250,979,650.42
  6. Step 6: Final answer
    x = 615,591,310.28

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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.