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Finding the Fourth Proportional to 637,709,104.40, 956,787,605.40 and 274,314,851.60

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Solution

The fourth proportional to 637,709,104.40, 956,787,605.40 and 274,314,851.60 is: 411,568,610.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,709,104.40 : 956,787,605.40 = 274,314,851.60 : x
  2. Step 2: Convert to fraction form
    637,709,104.40/956,787,605.40 = 274,314,851.60/x
  3. Step 3: Cross multiply
    637,709,104.40x = 956,787,605.40 × 274,314,851.60
  4. Step 4: Simplify right side
    637,709,104.40x = 262,461,049,988,020,384
  5. Step 5: Solve for x
    x = 262,461,049,988,020,384/637,709,104.40
  6. Step 6: Final answer
    x = 411,568,610.48

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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.