Home / 1,256,226,507.20-1,884,410,619.60-382,856,367.80

Finding the Fourth Proportional to 1,256,226,507.20, 1,884,410,619.60 and 382,856,367.80

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Solution

The fourth proportional to 1,256,226,507.20, 1,884,410,619.60 and 382,856,367.80 is: 574,306,147.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,226,507.20 : 1,884,410,619.60 = 382,856,367.80 : x
  2. Step 2: Convert to fraction form
    1,256,226,507.20/1,884,410,619.60 = 382,856,367.80/x
  3. Step 3: Cross multiply
    1,256,226,507.20x = 1,884,410,619.60 × 382,856,367.80
  4. Step 4: Simplify right side
    1,256,226,507.20x = 721,458,605,263,803,520
  5. Step 5: Solve for x
    x = 721,458,605,263,803,520/1,256,226,507.20
  6. Step 6: Final answer
    x = 574,306,147.12

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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.