Home / 839,809,999.20-1,259,714,998.80-533,322,069.60

Finding the Fourth Proportional to 839,809,999.20, 1,259,714,998.80 and 533,322,069.60

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Solution

The fourth proportional to 839,809,999.20, 1,259,714,998.80 and 533,322,069.60 is: 799,983,104.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,999.20 : 1,259,714,998.80 = 533,322,069.60 : x
  2. Step 2: Convert to fraction form
    839,809,999.20/1,259,714,998.80 = 533,322,069.60/x
  3. Step 3: Cross multiply
    839,809,999.20x = 1,259,714,998.80 × 533,322,069.60
  4. Step 4: Simplify right side
    839,809,999.20x = 671,833,810,266,177,536
  5. Step 5: Solve for x
    x = 671,833,810,266,177,536/839,809,999.20
  6. Step 6: Final answer
    x = 799,983,104.40

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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.