Home / 7,078,991,580,835.90-9,768,904,416,253.10-3,953,969,696,486.70

Finding the Fourth Proportional to 7,078,991,580,835.90, 9,768,904,416,253.10 and 3,953,969,696,486.70

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Solution

The fourth proportional to 7,078,991,580,835.90, 9,768,904,416,253.10 and 3,953,969,696,486.70 is: 5,456,420,111,348.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,078,991,580,835.90 : 9,768,904,416,253.10 = 3,953,969,696,486.70 : x
  2. Step 2: Convert to fraction form
    7,078,991,580,835.90/9,768,904,416,253.10 = 3,953,969,696,486.70/x
  3. Step 3: Cross multiply
    7,078,991,580,835.90x = 9,768,904,416,253.10 × 3,953,969,696,486.70
  4. Step 4: Simplify right side
    7,078,991,580,835.90x = 38,625,952,029,739,852,928,909,312
  5. Step 5: Solve for x
    x = 38,625,952,029,739,852,928,909,312/7,078,991,580,835.90
  6. Step 6: Final answer
    x = 5,456,420,111,348.52

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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.