Home / 404,258,913.05-606,388,369.58-400,857,690.65

Finding the Fourth Proportional to 404,258,913.05, 606,388,369.58 and 400,857,690.65

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Solution

The fourth proportional to 404,258,913.05, 606,388,369.58 and 400,857,690.65 is: 601,286,535.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,258,913.05 : 606,388,369.58 = 400,857,690.65 : x
  2. Step 2: Convert to fraction form
    404,258,913.05/606,388,369.58 = 400,857,690.65/x
  3. Step 3: Cross multiply
    404,258,913.05x = 606,388,369.58 × 400,857,690.65
  4. Step 4: Simplify right side
    404,258,913.05x = 243,075,441,464,853,216
  5. Step 5: Solve for x
    x = 243,075,441,464,853,216/404,258,913.05
  6. Step 6: Final answer
    x = 601,286,535.98

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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.