Home / 839,809,368.30-1,259,714,052.45-622,131,134.70

Finding the Fourth Proportional to 839,809,368.30, 1,259,714,052.45 and 622,131,134.70

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Solution

The fourth proportional to 839,809,368.30, 1,259,714,052.45 and 622,131,134.70 is: 933,196,702.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,368.30 : 1,259,714,052.45 = 622,131,134.70 : x
  2. Step 2: Convert to fraction form
    839,809,368.30/1,259,714,052.45 = 622,131,134.70/x
  3. Step 3: Cross multiply
    839,809,368.30x = 1,259,714,052.45 × 622,131,134.70
  4. Step 4: Simplify right side
    839,809,368.30x = 783,707,332,848,253,952
  5. Step 5: Solve for x
    x = 783,707,332,848,253,952/839,809,368.30
  6. Step 6: Final answer
    x = 933,196,702.05

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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.