Home / 859,633,786,258.20-1,289,450,679,387.40-412,223,386,872.60

Finding the Fourth Proportional to 859,633,786,258.20, 1,289,450,679,387.40 and 412,223,386,872.60

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Solution

The fourth proportional to 859,633,786,258.20, 1,289,450,679,387.40 and 412,223,386,872.60 is: 618,335,080,308.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,633,786,258.20 : 1,289,450,679,387.40 = 412,223,386,872.60 : x
  2. Step 2: Convert to fraction form
    859,633,786,258.20/1,289,450,679,387.40 = 412,223,386,872.60/x
  3. Step 3: Cross multiply
    859,633,786,258.20x = 1,289,450,679,387.40 × 412,223,386,872.60
  4. Step 4: Simplify right side
    859,633,786,258.20x = 531,541,726,262,249,039,855,616
  5. Step 5: Solve for x
    x = 531,541,726,262,249,039,855,616/859,633,786,258.20
  6. Step 6: Final answer
    x = 618,335,080,308.95

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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.