Home / 1,131,035,473.20-1,696,553,209.80-313,147,774.20

Finding the Fourth Proportional to 1,131,035,473.20, 1,696,553,209.80 and 313,147,774.20

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Solution

The fourth proportional to 1,131,035,473.20, 1,696,553,209.80 and 313,147,774.20 is: 469,721,661.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,035,473.20 : 1,696,553,209.80 = 313,147,774.20 : x
  2. Step 2: Convert to fraction form
    1,131,035,473.20/1,696,553,209.80 = 313,147,774.20/x
  3. Step 3: Cross multiply
    1,131,035,473.20x = 1,696,553,209.80 × 313,147,774.20
  4. Step 4: Simplify right side
    1,131,035,473.20x = 531,271,861,460,735,616
  5. Step 5: Solve for x
    x = 531,271,861,460,735,616/1,131,035,473.20
  6. Step 6: Final answer
    x = 469,721,661.30

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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.