Home / 823,809,700.80-1,235,714,551.20-435,482,481.60

Finding the Fourth Proportional to 823,809,700.80, 1,235,714,551.20 and 435,482,481.60

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Solution

The fourth proportional to 823,809,700.80, 1,235,714,551.20 and 435,482,481.60 is: 653,223,722.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,809,700.80 : 1,235,714,551.20 = 435,482,481.60 : x
  2. Step 2: Convert to fraction form
    823,809,700.80/1,235,714,551.20 = 435,482,481.60/x
  3. Step 3: Cross multiply
    823,809,700.80x = 1,235,714,551.20 × 435,482,481.60
  4. Step 4: Simplify right side
    823,809,700.80x = 538,132,039,305,806,336
  5. Step 5: Solve for x
    x = 538,132,039,305,806,336/823,809,700.80
  6. Step 6: Final answer
    x = 653,223,722.40

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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.