Home / 839,809,920.40-1,259,714,880.60-635,736,576.40

Finding the Fourth Proportional to 839,809,920.40, 1,259,714,880.60 and 635,736,576.40

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Solution

The fourth proportional to 839,809,920.40, 1,259,714,880.60 and 635,736,576.40 is: 953,604,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,809,920.40 : 1,259,714,880.60 = 635,736,576.40 : x
  2. Step 2: Convert to fraction form
    839,809,920.40/1,259,714,880.60 = 635,736,576.40/x
  3. Step 3: Cross multiply
    839,809,920.40x = 1,259,714,880.60 × 635,736,576.40
  4. Step 4: Simplify right side
    839,809,920.40x = 800,846,825,432,778,624
  5. Step 5: Solve for x
    x = 800,846,825,432,778,624/839,809,920.40
  6. Step 6: Final answer
    x = 953,604,864.60

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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.