Home / 1,265,947,592.10-1,747,069,978.41-764,148,399.54

Finding the Fourth Proportional to 1,265,947,592.10, 1,747,069,978.41 and 764,148,399.54

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Solution

The fourth proportional to 1,265,947,592.10, 1,747,069,978.41 and 764,148,399.54 is: 1,054,562,397.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,947,592.10 : 1,747,069,978.41 = 764,148,399.54 : x
  2. Step 2: Convert to fraction form
    1,265,947,592.10/1,747,069,978.41 = 764,148,399.54/x
  3. Step 3: Cross multiply
    1,265,947,592.10x = 1,747,069,978.41 × 764,148,399.54
  4. Step 4: Simplify right side
    1,265,947,592.10x = 1,335,020,727,886,383,872
  5. Step 5: Solve for x
    x = 1,335,020,727,886,383,872/1,265,947,592.10
  6. Step 6: Final answer
    x = 1,054,562,397.54

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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.