Home / 889,410,211.83-1,226,670,419.43-781,889,639.24

Finding the Fourth Proportional to 889,410,211.83, 1,226,670,419.43 and 781,889,639.24

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Solution

The fourth proportional to 889,410,211.83, 1,226,670,419.43 and 781,889,639.24 is: 1,078,378,546.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,410,211.83 : 1,226,670,419.43 = 781,889,639.24 : x
  2. Step 2: Convert to fraction form
    889,410,211.83/1,226,670,419.43 = 781,889,639.24/x
  3. Step 3: Cross multiply
    889,410,211.83x = 1,226,670,419.43 × 781,889,639.24
  4. Step 4: Simplify right side
    889,410,211.83x = 959,120,891,708,368,896
  5. Step 5: Solve for x
    x = 959,120,891,708,368,896/889,410,211.83
  6. Step 6: Final answer
    x = 1,078,378,546.76

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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.