Home / 7,881,484,908.29-10,876,442,074.79-4,448,905,895.61

Finding the Fourth Proportional to 7,881,484,908.29, 10,876,442,074.79 and 4,448,905,895.61

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Solution

The fourth proportional to 7,881,484,908.29, 10,876,442,074.79 and 4,448,905,895.61 is: 6,139,486,128.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,881,484,908.29 : 10,876,442,074.79 = 4,448,905,895.61 : x
  2. Step 2: Convert to fraction form
    7,881,484,908.29/10,876,442,074.79 = 4,448,905,895.61/x
  3. Step 3: Cross multiply
    7,881,484,908.29x = 10,876,442,074.79 × 4,448,905,895.61
  4. Step 4: Simplify right side
    7,881,484,908.29x = 48,388,267,269,771,640,832
  5. Step 5: Solve for x
    x = 48,388,267,269,771,640,832/7,881,484,908.29
  6. Step 6: Final answer
    x = 6,139,486,128.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.