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Finding the Fourth Proportional to 674,009,626.40, 944,887,496.80 and 674,009,626.40

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Solution

The fourth proportional to 674,009,626.40, 944,887,496.80 and 674,009,626.40 is: 944,887,496.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,009,626.40 : 944,887,496.80 = 674,009,626.40 : x
  2. Step 2: Convert to fraction form
    674,009,626.40/944,887,496.80 = 674,009,626.40/x
  3. Step 3: Cross multiply
    674,009,626.40x = 944,887,496.80 × 674,009,626.40
  4. Step 4: Simplify right side
    674,009,626.40x = 636,863,268,708,199,168
  5. Step 5: Solve for x
    x = 636,863,268,708,199,168/674,009,626.40
  6. Step 6: Final answer
    x = 944,887,496.80

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1.5x scale

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.