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Finding the Fourth Proportional to 1,000,560,806.54, 1,380,774,043.95 and 554,552,964.87

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Solution

The fourth proportional to 1,000,560,806.54, 1,380,774,043.95 and 554,552,964.87 is: 765,283,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,560,806.54 : 1,380,774,043.95 = 554,552,964.87 : x
  2. Step 2: Convert to fraction form
    1,000,560,806.54/1,380,774,043.95 = 554,552,964.87/x
  3. Step 3: Cross multiply
    1,000,560,806.54x = 1,380,774,043.95 × 554,552,964.87
  4. Step 4: Simplify right side
    1,000,560,806.54x = 765,712,339,893,143,296
  5. Step 5: Solve for x
    x = 765,712,339,893,143,296/1,000,560,806.54
  6. Step 6: Final answer
    x = 765,283,164.09

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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.