Home / 738,289,910.10-1,107,434,865.15-618,253,353.30

Finding the Fourth Proportional to 738,289,910.10, 1,107,434,865.15 and 618,253,353.30

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Solution

The fourth proportional to 738,289,910.10, 1,107,434,865.15 and 618,253,353.30 is: 927,380,029.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,289,910.10 : 1,107,434,865.15 = 618,253,353.30 : x
  2. Step 2: Convert to fraction form
    738,289,910.10/1,107,434,865.15 = 618,253,353.30/x
  3. Step 3: Cross multiply
    738,289,910.10x = 1,107,434,865.15 × 618,253,353.30
  4. Step 4: Simplify right side
    738,289,910.10x = 684,675,318,940,320,768
  5. Step 5: Solve for x
    x = 684,675,318,940,320,768/738,289,910.10
  6. Step 6: Final answer
    x = 927,380,029.95

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Double scale
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1.5x scale

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.