Home / 839,809,631.20-1,259,714,446.80-703,760,735.20

Finding the Fourth Proportional to 839,809,631.20, 1,259,714,446.80 and 703,760,735.20

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Solution

The fourth proportional to 839,809,631.20, 1,259,714,446.80 and 703,760,735.20 is: 1,055,641,102.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,631.20 : 1,259,714,446.80 = 703,760,735.20 : x
  2. Step 2: Convert to fraction form
    839,809,631.20/1,259,714,446.80 = 703,760,735.20/x
  3. Step 3: Cross multiply
    839,809,631.20x = 1,259,714,446.80 × 703,760,735.20
  4. Step 4: Simplify right side
    839,809,631.20x = 886,537,565,222,029,312
  5. Step 5: Solve for x
    x = 886,537,565,222,029,312/839,809,631.20
  6. Step 6: Final answer
    x = 1,055,641,102.80

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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.