Home / 1,853,226,079.29-2,789,858,138.31-1,688,289,600.87

Finding the Fourth Proportional to 1,853,226,079.29, 2,789,858,138.31 and 1,688,289,600.87

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Solution

The fourth proportional to 1,853,226,079.29, 2,789,858,138.31 and 1,688,289,600.87 is: 2,541,561,731.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,853,226,079.29 : 2,789,858,138.31 = 1,688,289,600.87 : x
  2. Step 2: Convert to fraction form
    1,853,226,079.29/2,789,858,138.31 = 1,688,289,600.87/x
  3. Step 3: Cross multiply
    1,853,226,079.29x = 2,789,858,138.31 × 1,688,289,600.87
  4. Step 4: Simplify right side
    1,853,226,079.29x = 4,710,088,482,811,311,104
  5. Step 5: Solve for x
    x = 4,710,088,482,811,311,104/1,853,226,079.29
  6. Step 6: Final answer
    x = 2,541,561,731.43

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.