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Finding the Fourth Proportional to 1,365,190,825.97, 1,883,949,927.40 and 738,645,506.57

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Solution

The fourth proportional to 1,365,190,825.97, 1,883,949,927.40 and 738,645,506.57 is: 1,019,323,542.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,190,825.97 : 1,883,949,927.40 = 738,645,506.57 : x
  2. Step 2: Convert to fraction form
    1,365,190,825.97/1,883,949,927.40 = 738,645,506.57/x
  3. Step 3: Cross multiply
    1,365,190,825.97x = 1,883,949,927.40 × 738,645,506.57
  4. Step 4: Simplify right side
    1,365,190,825.97x = 1,391,571,148,476,887,808
  5. Step 5: Solve for x
    x = 1,391,571,148,476,887,808/1,365,190,825.97
  6. Step 6: Final answer
    x = 1,019,323,542.18

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.