Home / 7,078,991,580,834-9,768,904,416,250.40-3,953,969,696,484.60

Finding the Fourth Proportional to 7,078,991,580,834, 9,768,904,416,250.40 and 3,953,969,696,484.60

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Solution

The fourth proportional to 7,078,991,580,834, 9,768,904,416,250.40 and 3,953,969,696,484.60 is: 5,456,420,111,345.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,991,580,834 : 9,768,904,416,250.40 = 3,953,969,696,484.60 : x
  2. Step 2: Convert to fraction form
    7,078,991,580,834/9,768,904,416,250.40 = 3,953,969,696,484.60/x
  3. Step 3: Cross multiply
    7,078,991,580,834x = 9,768,904,416,250.40 × 3,953,969,696,484.60
  4. Step 4: Simplify right side
    7,078,991,580,834x = 38,625,952,029,708,667,171,373,056
  5. Step 5: Solve for x
    x = 38,625,952,029,708,667,171,373,056/7,078,991,580,834
  6. Step 6: Final answer
    x = 5,456,420,111,345.58

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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.