Home / 969,222,298.39-1,453,863,021.39-378,988,964.71

Finding the Fourth Proportional to 969,222,298.39, 1,453,863,021.39 and 378,988,964.71

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Solution

The fourth proportional to 969,222,298.39, 1,453,863,021.39 and 378,988,964.71 is: 568,495,011.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,222,298.39 : 1,453,863,021.39 = 378,988,964.71 : x
  2. Step 2: Convert to fraction form
    969,222,298.39/1,453,863,021.39 = 378,988,964.71/x
  3. Step 3: Cross multiply
    969,222,298.39x = 1,453,863,021.39 × 378,988,964.71
  4. Step 4: Simplify right side
    969,222,298.39x = 550,998,041,303,114,048
  5. Step 5: Solve for x
    x = 550,998,041,303,114,048/969,222,298.39
  6. Step 6: Final answer
    x = 568,495,011.12

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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.