Home / 7,078,991,580,842.80-9,768,904,416,263-3,953,969,696,493.80

Finding the Fourth Proportional to 7,078,991,580,842.80, 9,768,904,416,263 and 3,953,969,696,493.80

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Solution

The fourth proportional to 7,078,991,580,842.80, 9,768,904,416,263 and 3,953,969,696,493.80 is: 5,456,420,111,358.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,991,580,842.80 : 9,768,904,416,263 = 3,953,969,696,493.80 : x
  2. Step 2: Convert to fraction form
    7,078,991,580,842.80/9,768,904,416,263 = 3,953,969,696,493.80/x
  3. Step 3: Cross multiply
    7,078,991,580,842.80x = 9,768,904,416,263 × 3,953,969,696,493.80
  4. Step 4: Simplify right side
    7,078,991,580,842.80x = 38,625,952,029,848,356,687,708,160
  5. Step 5: Solve for x
    x = 38,625,952,029,848,356,687,708,160/7,078,991,580,842.80
  6. Step 6: Final answer
    x = 5,456,420,111,358.53

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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.