Home / 553,042,880.87-829,372,215.22-307,773,805.19

Finding the Fourth Proportional to 553,042,880.87, 829,372,215.22 and 307,773,805.19

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Solution

The fourth proportional to 553,042,880.87, 829,372,215.22 and 307,773,805.19 is: 461,553,798.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,042,880.87 : 829,372,215.22 = 307,773,805.19 : x
  2. Step 2: Convert to fraction form
    553,042,880.87/829,372,215.22 = 307,773,805.19/x
  3. Step 3: Cross multiply
    553,042,880.87x = 829,372,215.22 × 307,773,805.19
  4. Step 4: Simplify right side
    553,042,880.87x = 255,259,042,592,202,720
  5. Step 5: Solve for x
    x = 255,259,042,592,202,720/553,042,880.87
  6. Step 6: Final answer
    x = 461,553,798.85

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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.