Home / 7,078,991,580,834.60-9,768,904,416,250.80-3,953,969,696,485.20

Finding the Fourth Proportional to 7,078,991,580,834.60, 9,768,904,416,250.80 and 3,953,969,696,485.20

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Solution

The fourth proportional to 7,078,991,580,834.60, 9,768,904,416,250.80 and 3,953,969,696,485.20 is: 5,456,420,111,346.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,991,580,834.60 : 9,768,904,416,250.80 = 3,953,969,696,485.20 : x
  2. Step 2: Convert to fraction form
    7,078,991,580,834.60/9,768,904,416,250.80 = 3,953,969,696,485.20/x
  3. Step 3: Cross multiply
    7,078,991,580,834.60x = 9,768,904,416,250.80 × 3,953,969,696,485.20
  4. Step 4: Simplify right side
    7,078,991,580,834.60x = 38,625,952,029,716,110,349,697,024
  5. Step 5: Solve for x
    x = 38,625,952,029,716,110,349,697,024/7,078,991,580,834.60
  6. Step 6: Final answer
    x = 5,456,420,111,346.17

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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.