Home / 624,107,120.10-860,853,022.04-401,370,564.63

Finding the Fourth Proportional to 624,107,120.10, 860,853,022.04 and 401,370,564.63

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Solution

The fourth proportional to 624,107,120.10, 860,853,022.04 and 401,370,564.63 is: 553,624,614.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,107,120.10 : 860,853,022.04 = 401,370,564.63 : x
  2. Step 2: Convert to fraction form
    624,107,120.10/860,853,022.04 = 401,370,564.63/x
  3. Step 3: Cross multiply
    624,107,120.10x = 860,853,022.04 × 401,370,564.63
  4. Step 4: Simplify right side
    624,107,120.10x = 345,521,063,520,857,984
  5. Step 5: Solve for x
    x = 345,521,063,520,857,984/624,107,120.10
  6. Step 6: Final answer
    x = 553,624,614.09

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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.