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Finding the Fourth Proportional to 674,004,136.90, 944,879,811.50 and 674,004,136.90

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Solution

The fourth proportional to 674,004,136.90, 944,879,811.50 and 674,004,136.90 is: 944,879,811.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,004,136.90 : 944,879,811.50 = 674,004,136.90 : x
  2. Step 2: Convert to fraction form
    674,004,136.90/944,879,811.50 = 674,004,136.90/x
  3. Step 3: Cross multiply
    674,004,136.90x = 944,879,811.50 × 674,004,136.90
  4. Step 4: Simplify right side
    674,004,136.90x = 636,852,901,824,292,224
  5. Step 5: Solve for x
    x = 636,852,901,824,292,224/674,004,136.90
  6. Step 6: Final answer
    x = 944,879,811.50

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.