Home / 637,709,109.40-956,787,612.90-274,314,856.60

Finding the Fourth Proportional to 637,709,109.40, 956,787,612.90 and 274,314,856.60

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Solution

The fourth proportional to 637,709,109.40, 956,787,612.90 and 274,314,856.60 is: 411,568,617.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,709,109.40 : 956,787,612.90 = 274,314,856.60 : x
  2. Step 2: Convert to fraction form
    637,709,109.40/956,787,612.90 = 274,314,856.60/x
  3. Step 3: Cross multiply
    637,709,109.40x = 956,787,612.90 × 274,314,856.60
  4. Step 4: Simplify right side
    637,709,109.40x = 262,461,056,829,319,840
  5. Step 5: Solve for x
    x = 262,461,056,829,319,840/637,709,109.40
  6. Step 6: Final answer
    x = 411,568,617.98

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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.