Home / 1,078,890,313,043.40-1,618,434,949,367.20-352,825,409,715.72

Finding the Fourth Proportional to 1,078,890,313,043.40, 1,618,434,949,367.20 and 352,825,409,715.72

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Solution

The fourth proportional to 1,078,890,313,043.40, 1,618,434,949,367.20 and 352,825,409,715.72 is: 529,270,647,076.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,890,313,043.40 : 1,618,434,949,367.20 = 352,825,409,715.72 : x
  2. Step 2: Convert to fraction form
    1,078,890,313,043.40/1,618,434,949,367.20 = 352,825,409,715.72/x
  3. Step 3: Cross multiply
    1,078,890,313,043.40x = 1,618,434,949,367.20 × 352,825,409,715.72
  4. Step 4: Simplify right side
    1,078,890,313,043.40x = 571,024,974,108,722,810,847,232
  5. Step 5: Solve for x
    x = 571,024,974,108,722,810,847,232/1,078,890,313,043.40
  6. Step 6: Final answer
    x = 529,270,647,076.20

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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.