Home / 1,496,964,006.80-2,065,705,458.36-870,387,981.92

Finding the Fourth Proportional to 1,496,964,006.80, 2,065,705,458.36 and 870,387,981.92

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Solution

The fourth proportional to 1,496,964,006.80, 2,065,705,458.36 and 870,387,981.92 is: 1,201,074,439.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,496,964,006.80 : 2,065,705,458.36 = 870,387,981.92 : x
  2. Step 2: Convert to fraction form
    1,496,964,006.80/2,065,705,458.36 = 870,387,981.92/x
  3. Step 3: Cross multiply
    1,496,964,006.80x = 2,065,705,458.36 × 870,387,981.92
  4. Step 4: Simplify right side
    1,496,964,006.80x = 1,797,965,205,143,088,896
  5. Step 5: Solve for x
    x = 1,797,965,205,143,088,896/1,496,964,006.80
  6. Step 6: Final answer
    x = 1,201,074,439.32

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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.