Home / 784,584,033.66-1,082,725,962.51-454,750,491.42

Finding the Fourth Proportional to 784,584,033.66, 1,082,725,962.51 and 454,750,491.42

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Solution

The fourth proportional to 784,584,033.66, 1,082,725,962.51 and 454,750,491.42 is: 627,555,675.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,584,033.66 : 1,082,725,962.51 = 454,750,491.42 : x
  2. Step 2: Convert to fraction form
    784,584,033.66/1,082,725,962.51 = 454,750,491.42/x
  3. Step 3: Cross multiply
    784,584,033.66x = 1,082,725,962.51 × 454,750,491.42
  4. Step 4: Simplify right side
    784,584,033.66x = 492,370,163,524,615,040
  5. Step 5: Solve for x
    x = 492,370,163,524,615,040/784,584,033.66
  6. Step 6: Final answer
    x = 627,555,675.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.