Home / 1,638,744,533.59-2,458,419,930.89-518,550,226.20

Finding the Fourth Proportional to 1,638,744,533.59, 2,458,419,930.89 and 518,550,226.20

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Solution

The fourth proportional to 1,638,744,533.59, 2,458,419,930.89 and 518,550,226.20 is: 777,921,259.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,744,533.59 : 2,458,419,930.89 = 518,550,226.20 : x
  2. Step 2: Convert to fraction form
    1,638,744,533.59/2,458,419,930.89 = 518,550,226.20/x
  3. Step 3: Cross multiply
    1,638,744,533.59x = 2,458,419,930.89 × 518,550,226.20
  4. Step 4: Simplify right side
    1,638,744,533.59x = 1,274,814,211,257,597,696
  5. Step 5: Solve for x
    x = 1,274,814,211,257,597,696/1,638,744,533.59
  6. Step 6: Final answer
    x = 777,921,259.31

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Double scale
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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.