Home / 1,792,734,994.72-2,690,310,998.96-628,213,948.32

Finding the Fourth Proportional to 1,792,734,994.72, 2,690,310,998.96 and 628,213,948.32

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Solution

The fourth proportional to 1,792,734,994.72, 2,690,310,998.96 and 628,213,948.32 is: 942,744,409.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,792,734,994.72 : 2,690,310,998.96 = 628,213,948.32 : x
  2. Step 2: Convert to fraction form
    1,792,734,994.72/2,690,310,998.96 = 628,213,948.32/x
  3. Step 3: Cross multiply
    1,792,734,994.72x = 2,690,310,998.96 × 628,213,948.32
  4. Step 4: Simplify right side
    1,792,734,994.72x = 1,690,090,894,865,385,216
  5. Step 5: Solve for x
    x = 1,690,090,894,865,385,216/1,792,734,994.72
  6. Step 6: Final answer
    x = 942,744,409.99

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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.