Home / 1,571,844,868.58-2,169,107,917.62-866,981,711.90

Finding the Fourth Proportional to 1,571,844,868.58, 2,169,107,917.62 and 866,981,711.90

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Solution

The fourth proportional to 1,571,844,868.58, 2,169,107,917.62 and 866,981,711.90 is: 1,196,413,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571,844,868.58 : 2,169,107,917.62 = 866,981,711.90 : x
  2. Step 2: Convert to fraction form
    1,571,844,868.58/2,169,107,917.62 = 866,981,711.90/x
  3. Step 3: Cross multiply
    1,571,844,868.58x = 2,169,107,917.62 × 866,981,711.90
  4. Step 4: Simplify right side
    1,571,844,868.58x = 1,880,576,895,714,031,616
  5. Step 5: Solve for x
    x = 1,880,576,895,714,031,616/1,571,844,868.58
  6. Step 6: Final answer
    x = 1,196,413,802.22

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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.