Home / 7,862,981,671.44-11,796,128,970.84-2,550,679,030.89

Finding the Fourth Proportional to 7,862,981,671.44, 11,796,128,970.84 and 2,550,679,030.89

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Solution

The fourth proportional to 7,862,981,671.44, 11,796,128,970.84 and 2,550,679,030.89 is: 3,826,555,887.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,862,981,671.44 : 11,796,128,970.84 = 2,550,679,030.89 : x
  2. Step 2: Convert to fraction form
    7,862,981,671.44/11,796,128,970.84 = 2,550,679,030.89/x
  3. Step 3: Cross multiply
    7,862,981,671.44x = 11,796,128,970.84 × 2,550,679,030.89
  4. Step 4: Simplify right side
    7,862,981,671.44x = 30,088,138,811,595,624,448
  5. Step 5: Solve for x
    x = 30,088,138,811,595,624,448/7,862,981,671.44
  6. Step 6: Final answer
    x = 3,826,555,887.94

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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.