Home / 423,656,984.62-584,805,231.75-318,115,286.20

Finding the Fourth Proportional to 423,656,984.62, 584,805,231.75 and 318,115,286.20

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Solution

The fourth proportional to 423,656,984.62, 584,805,231.75 and 318,115,286.20 is: 439,118,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,656,984.62 : 584,805,231.75 = 318,115,286.20 : x
  2. Step 2: Convert to fraction form
    423,656,984.62/584,805,231.75 = 318,115,286.20/x
  3. Step 3: Cross multiply
    423,656,984.62x = 584,805,231.75 × 318,115,286.20
  4. Step 4: Simplify right side
    423,656,984.62x = 186,035,483,669,408,576
  5. Step 5: Solve for x
    x = 186,035,483,669,408,576/423,656,984.62
  6. Step 6: Final answer
    x = 439,118,179.15

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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.