Home / 1,328,867,553.20-1,993,301,329.80-708,994,770.80

Finding the Fourth Proportional to 1,328,867,553.20, 1,993,301,329.80 and 708,994,770.80

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Solution

The fourth proportional to 1,328,867,553.20, 1,993,301,329.80 and 708,994,770.80 is: 1,063,492,156.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,867,553.20 : 1,993,301,329.80 = 708,994,770.80 : x
  2. Step 2: Convert to fraction form
    1,328,867,553.20/1,993,301,329.80 = 708,994,770.80/x
  3. Step 3: Cross multiply
    1,328,867,553.20x = 1,993,301,329.80 × 708,994,770.80
  4. Step 4: Simplify right side
    1,328,867,553.20x = 1,413,240,219,456,886,016
  5. Step 5: Solve for x
    x = 1,413,240,219,456,886,016/1,328,867,553.20
  6. Step 6: Final answer
    x = 1,063,492,156.20

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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.