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Finding the Fourth Proportional to 1,035,648,270.40, 1,553,472,405.60 and 940,096,782.40

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Solution

The fourth proportional to 1,035,648,270.40, 1,553,472,405.60 and 940,096,782.40 is: 1,410,145,173.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,648,270.40 : 1,553,472,405.60 = 940,096,782.40 : x
  2. Step 2: Convert to fraction form
    1,035,648,270.40/1,553,472,405.60 = 940,096,782.40/x
  3. Step 3: Cross multiply
    1,035,648,270.40x = 1,553,472,405.60 × 940,096,782.40
  4. Step 4: Simplify right side
    1,035,648,270.40x = 1,460,414,410,051,747,584
  5. Step 5: Solve for x
    x = 1,460,414,410,051,747,584/1,035,648,270.40
  6. Step 6: Final answer
    x = 1,410,145,173.60

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1.5x scale

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.