Home / 789,141,944.40-1,183,787,566.20-214,713,272.40

Finding the Fourth Proportional to 789,141,944.40, 1,183,787,566.20 and 214,713,272.40

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Solution

The fourth proportional to 789,141,944.40, 1,183,787,566.20 and 214,713,272.40 is: 322,090,219.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,141,944.40 : 1,183,787,566.20 = 214,713,272.40 : x
  2. Step 2: Convert to fraction form
    789,141,944.40/1,183,787,566.20 = 214,713,272.40/x
  3. Step 3: Cross multiply
    789,141,944.40x = 1,183,787,566.20 × 214,713,272.40
  4. Step 4: Simplify right side
    789,141,944.40x = 254,174,902,165,233,664
  5. Step 5: Solve for x
    x = 254,174,902,165,233,664/789,141,944.40
  6. Step 6: Final answer
    x = 322,090,219.60

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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.