Home / 2,388,739,135.17-3,297,874,057.83-2,123,689,039.38

Finding the Fourth Proportional to 2,388,739,135.17, 3,297,874,057.83 and 2,123,689,039.38

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Solution

The fourth proportional to 2,388,739,135.17, 3,297,874,057.83 and 2,123,689,039.38 is: 2,931,948,025.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,388,739,135.17 : 3,297,874,057.83 = 2,123,689,039.38 : x
  2. Step 2: Convert to fraction form
    2,388,739,135.17/3,297,874,057.83 = 2,123,689,039.38/x
  3. Step 3: Cross multiply
    2,388,739,135.17x = 3,297,874,057.83 × 2,123,689,039.38
  4. Step 4: Simplify right side
    2,388,739,135.17x = 7,003,658,989,869,215,744
  5. Step 5: Solve for x
    x = 7,003,658,989,869,215,744/2,388,739,135.17
  6. Step 6: Final answer
    x = 2,931,948,025.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.