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Finding the Fourth Proportional to 637,709,117.90, 956,787,625.65 and 274,314,865.10

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Solution

The fourth proportional to 637,709,117.90, 956,787,625.65 and 274,314,865.10 is: 411,568,630.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,709,117.90 : 956,787,625.65 = 274,314,865.10 : x
  2. Step 2: Convert to fraction form
    637,709,117.90/956,787,625.65 = 274,314,865.10/x
  3. Step 3: Cross multiply
    637,709,117.90x = 956,787,625.65 × 274,314,865.10
  4. Step 4: Simplify right side
    637,709,117.90x = 262,461,068,459,529,056
  5. Step 5: Solve for x
    x = 262,461,068,459,529,056/637,709,117.90
  6. Step 6: Final answer
    x = 411,568,630.73

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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.