Home / 697,836,285.25-962,986,036.06-380,289,788.09

Finding the Fourth Proportional to 697,836,285.25, 962,986,036.06 and 380,289,788.09

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Solution

The fourth proportional to 697,836,285.25, 962,986,036.06 and 380,289,788.09 is: 524,784,628.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,836,285.25 : 962,986,036.06 = 380,289,788.09 : x
  2. Step 2: Convert to fraction form
    697,836,285.25/962,986,036.06 = 380,289,788.09/x
  3. Step 3: Cross multiply
    697,836,285.25x = 962,986,036.06 × 380,289,788.09
  4. Step 4: Simplify right side
    697,836,285.25x = 366,213,755,584,009,536
  5. Step 5: Solve for x
    x = 366,213,755,584,009,536/697,836,285.25
  6. Step 6: Final answer
    x = 524,784,628.32

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Double scale
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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.