Home / 901,462,518.90-1,352,285,107.47-311,175,822.42

Finding the Fourth Proportional to 901,462,518.90, 1,352,285,107.47 and 311,175,822.42

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Solution

The fourth proportional to 901,462,518.90, 1,352,285,107.47 and 311,175,822.42 is: 466,795,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,462,518.90 : 1,352,285,107.47 = 311,175,822.42 : x
  2. Step 2: Convert to fraction form
    901,462,518.90/1,352,285,107.47 = 311,175,822.42/x
  3. Step 3: Cross multiply
    901,462,518.90x = 1,352,285,107.47 × 311,175,822.42
  4. Step 4: Simplify right side
    901,462,518.90x = 420,798,430,463,295,360
  5. Step 5: Solve for x
    x = 420,798,430,463,295,360/901,462,518.90
  6. Step 6: Final answer
    x = 466,795,259.53

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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.