Home / 6,091,969,893.66-8,403,824,311.02-3,978,662,870.70

Finding the Fourth Proportional to 6,091,969,893.66, 8,403,824,311.02 and 3,978,662,870.70

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Solution

The fourth proportional to 6,091,969,893.66, 8,403,824,311.02 and 3,978,662,870.70 is: 5,488,533,978.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,091,969,893.66 : 8,403,824,311.02 = 3,978,662,870.70 : x
  2. Step 2: Convert to fraction form
    6,091,969,893.66/8,403,824,311.02 = 3,978,662,870.70/x
  3. Step 3: Cross multiply
    6,091,969,893.66x = 8,403,824,311.02 × 3,978,662,870.70
  4. Step 4: Simplify right side
    6,091,969,893.66x = 33,435,983,758,141,284,352
  5. Step 5: Solve for x
    x = 33,435,983,758,141,284,352/6,091,969,893.66
  6. Step 6: Final answer
    x = 5,488,533,978.63

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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.