Home / 77,262,337,066.30-115,893,505,599.45-74,323,680,912.70

Finding the Fourth Proportional to 77,262,337,066.30, 115,893,505,599.45 and 74,323,680,912.70

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Solution

The fourth proportional to 77,262,337,066.30, 115,893,505,599.45 and 74,323,680,912.70 is: 111,485,521,369.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,262,337,066.30 : 115,893,505,599.45 = 74,323,680,912.70 : x
  2. Step 2: Convert to fraction form
    77,262,337,066.30/115,893,505,599.45 = 74,323,680,912.70/x
  3. Step 3: Cross multiply
    77,262,337,066.30x = 115,893,505,599.45 × 74,323,680,912.70
  4. Step 4: Simplify right side
    77,262,337,066.30x = 8,613,631,930,027,731,845,120
  5. Step 5: Solve for x
    x = 8,613,631,930,027,731,845,120/77,262,337,066.30
  6. Step 6: Final answer
    x = 111,485,521,369.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.