Home / 1,340,601,369.63-2,010,977,691.64-407,954,612.81

Finding the Fourth Proportional to 1,340,601,369.63, 2,010,977,691.64 and 407,954,612.81

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Solution

The fourth proportional to 1,340,601,369.63, 2,010,977,691.64 and 407,954,612.81 is: 611,954,936.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,340,601,369.63 : 2,010,977,691.64 = 407,954,612.81 : x
  2. Step 2: Convert to fraction form
    1,340,601,369.63/2,010,977,691.64 = 407,954,612.81/x
  3. Step 3: Cross multiply
    1,340,601,369.63x = 2,010,977,691.64 × 407,954,612.81
  4. Step 4: Simplify right side
    1,340,601,369.63x = 820,387,625,551,469,056
  5. Step 5: Solve for x
    x = 820,387,625,551,469,056/1,340,601,369.63
  6. Step 6: Final answer
    x = 611,954,936.15

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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.