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Finding the Fourth Proportional to 1,741,872,003.80, 2,612,808,005.70 and 774,413,187.80

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Solution

The fourth proportional to 1,741,872,003.80, 2,612,808,005.70 and 774,413,187.80 is: 1,161,619,781.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,741,872,003.80 : 2,612,808,005.70 = 774,413,187.80 : x
  2. Step 2: Convert to fraction form
    1,741,872,003.80/2,612,808,005.70 = 774,413,187.80/x
  3. Step 3: Cross multiply
    1,741,872,003.80x = 2,612,808,005.70 × 774,413,187.80
  4. Step 4: Simplify right side
    1,741,872,003.80x = 2,023,392,976,803,497,216
  5. Step 5: Solve for x
    x = 2,023,392,976,803,497,216/1,741,872,003.80
  6. Step 6: Final answer
    x = 1,161,619,781.70

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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.