Home / 1,898,864,429.73-2,620,398,230.37-1,052,088,663.51

Finding the Fourth Proportional to 1,898,864,429.73, 2,620,398,230.37 and 1,052,088,663.51

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Solution

The fourth proportional to 1,898,864,429.73, 2,620,398,230.37 and 1,052,088,663.51 is: 1,451,863,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,898,864,429.73 : 2,620,398,230.37 = 1,052,088,663.51 : x
  2. Step 2: Convert to fraction form
    1,898,864,429.73/2,620,398,230.37 = 1,052,088,663.51/x
  3. Step 3: Cross multiply
    1,898,864,429.73x = 2,620,398,230.37 × 1,052,088,663.51
  4. Step 4: Simplify right side
    1,898,864,429.73x = 2,756,891,272,053,942,272
  5. Step 5: Solve for x
    x = 2,756,891,272,053,942,272/1,898,864,429.73
  6. Step 6: Final answer
    x = 1,451,863,139.30

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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.