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Finding the Fourth Proportional to 793,963,409.60, 1,190,945,114.40 and 758,250,574.40

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Solution

The fourth proportional to 793,963,409.60, 1,190,945,114.40 and 758,250,574.40 is: 1,137,375,861.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,963,409.60 : 1,190,945,114.40 = 758,250,574.40 : x
  2. Step 2: Convert to fraction form
    793,963,409.60/1,190,945,114.40 = 758,250,574.40/x
  3. Step 3: Cross multiply
    793,963,409.60x = 1,190,945,114.40 × 758,250,574.40
  4. Step 4: Simplify right side
    793,963,409.60x = 903,034,817,072,673,792
  5. Step 5: Solve for x
    x = 903,034,817,072,673,792/793,963,409.60
  6. Step 6: Final answer
    x = 1,137,375,861.60

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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.