Home / 7,015,129,630.11-9,680,796,934.13-3,799,978,994.39

Finding the Fourth Proportional to 7,015,129,630.11, 9,680,796,934.13 and 3,799,978,994.39

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Solution

The fourth proportional to 7,015,129,630.11, 9,680,796,934.13 and 3,799,978,994.39 is: 5,243,926,618.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,129,630.11 : 9,680,796,934.13 = 3,799,978,994.39 : x
  2. Step 2: Convert to fraction form
    7,015,129,630.11/9,680,796,934.13 = 3,799,978,994.39/x
  3. Step 3: Cross multiply
    7,015,129,630.11x = 9,680,796,934.13 × 3,799,978,994.39
  4. Step 4: Simplify right side
    7,015,129,630.11x = 36,786,824,998,610,210,816
  5. Step 5: Solve for x
    x = 36,786,824,998,610,210,816/7,015,129,630.11
  6. Step 6: Final answer
    x = 5,243,926,618.36

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1.5x scale

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.