Home / 839,809,965.40-1,259,714,948.10-635,736,621.40

Finding the Fourth Proportional to 839,809,965.40, 1,259,714,948.10 and 635,736,621.40

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Solution

The fourth proportional to 839,809,965.40, 1,259,714,948.10 and 635,736,621.40 is: 953,604,932.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,965.40 : 1,259,714,948.10 = 635,736,621.40 : x
  2. Step 2: Convert to fraction form
    839,809,965.40/1,259,714,948.10 = 635,736,621.40/x
  3. Step 3: Cross multiply
    839,809,965.40x = 1,259,714,948.10 × 635,736,621.40
  4. Step 4: Simplify right side
    839,809,965.40x = 800,846,925,032,170,240
  5. Step 5: Solve for x
    x = 800,846,925,032,170,240/839,809,965.40
  6. Step 6: Final answer
    x = 953,604,932.10

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Double scale
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Similar ratio
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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.