Home / 7,099,177,978.92-9,796,571,296.74-3,884,072,194.92

Finding the Fourth Proportional to 7,099,177,978.92, 9,796,571,296.74 and 3,884,072,194.92

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Solution

The fourth proportional to 7,099,177,978.92, 9,796,571,296.74 and 3,884,072,194.92 is: 5,359,858,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,099,177,978.92 : 9,796,571,296.74 = 3,884,072,194.92 : x
  2. Step 2: Convert to fraction form
    7,099,177,978.92/9,796,571,296.74 = 3,884,072,194.92/x
  3. Step 3: Cross multiply
    7,099,177,978.92x = 9,796,571,296.74 × 3,884,072,194.92
  4. Step 4: Simplify right side
    7,099,177,978.92x = 38,050,590,179,219,202,048
  5. Step 5: Solve for x
    x = 38,050,590,179,219,202,048/7,099,177,978.92
  6. Step 6: Final answer
    x = 5,359,858,605.07

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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.