Home / 624,107,120.12-860,853,022.03-401,370,564.65

Finding the Fourth Proportional to 624,107,120.12, 860,853,022.03 and 401,370,564.65

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Solution

The fourth proportional to 624,107,120.12, 860,853,022.03 and 401,370,564.65 is: 553,624,614.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,107,120.12 : 860,853,022.03 = 401,370,564.65 : x
  2. Step 2: Convert to fraction form
    624,107,120.12/860,853,022.03 = 401,370,564.65/x
  3. Step 3: Cross multiply
    624,107,120.12x = 860,853,022.03 × 401,370,564.65
  4. Step 4: Simplify right side
    624,107,120.12x = 345,521,063,532,839,936
  5. Step 5: Solve for x
    x = 345,521,063,532,839,936/624,107,120.12
  6. Step 6: Final answer
    x = 553,624,614.10

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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.