Home / 839,809,963.40-1,259,714,945.10-635,736,619.40

Finding the Fourth Proportional to 839,809,963.40, 1,259,714,945.10 and 635,736,619.40

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Solution

The fourth proportional to 839,809,963.40, 1,259,714,945.10 and 635,736,619.40 is: 953,604,929.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,963.40 : 1,259,714,945.10 = 635,736,619.40 : x
  2. Step 2: Convert to fraction form
    839,809,963.40/1,259,714,945.10 = 635,736,619.40/x
  3. Step 3: Cross multiply
    839,809,963.40x = 1,259,714,945.10 × 635,736,619.40
  4. Step 4: Simplify right side
    839,809,963.40x = 800,846,920,605,530,496
  5. Step 5: Solve for x
    x = 800,846,920,605,530,496/839,809,963.40
  6. Step 6: Final answer
    x = 953,604,929.10

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Double scale
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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.