Home / 1,078,890,313,046.40-1,618,434,949,371.80-352,825,409,718.72

Finding the Fourth Proportional to 1,078,890,313,046.40, 1,618,434,949,371.80 and 352,825,409,718.72

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Solution

The fourth proportional to 1,078,890,313,046.40, 1,618,434,949,371.80 and 352,825,409,718.72 is: 529,270,647,080.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,890,313,046.40 : 1,618,434,949,371.80 = 352,825,409,718.72 : x
  2. Step 2: Convert to fraction form
    1,078,890,313,046.40/1,618,434,949,371.80 = 352,825,409,718.72/x
  3. Step 3: Cross multiply
    1,078,890,313,046.40x = 1,618,434,949,371.80 × 352,825,409,718.72
  4. Step 4: Simplify right side
    1,078,890,313,046.40x = 571,024,974,115,201,165,033,472
  5. Step 5: Solve for x
    x = 571,024,974,115,201,165,033,472/1,078,890,313,046.40
  6. Step 6: Final answer
    x = 529,270,647,080.73

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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.