Home / 7,078,991,574,299.60-9,768,904,407,212.40-3,953,969,689,930.60

Finding the Fourth Proportional to 7,078,991,574,299.60, 9,768,904,407,212.40 and 3,953,969,689,930.60

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Solution

The fourth proportional to 7,078,991,574,299.60, 9,768,904,407,212.40 and 3,953,969,689,930.60 is: 5,456,420,102,289.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,991,574,299.60 : 9,768,904,407,212.40 = 3,953,969,689,930.60 : x
  2. Step 2: Convert to fraction form
    7,078,991,574,299.60/9,768,904,407,212.40 = 3,953,969,689,930.60/x
  3. Step 3: Cross multiply
    7,078,991,574,299.60x = 9,768,904,407,212.40 × 3,953,969,689,930.60
  4. Step 4: Simplify right side
    7,078,991,574,299.60x = 38,625,951,929,947,288,533,729,280
  5. Step 5: Solve for x
    x = 38,625,951,929,947,288,533,729,280/7,078,991,574,299.60
  6. Step 6: Final answer
    x = 5,456,420,102,289.64

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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.