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Finding the Fourth Proportional to 1,083,292,649.68, 1,494,922,504.44 and 637,304,213.20

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Solution

The fourth proportional to 1,083,292,649.68, 1,494,922,504.44 and 637,304,213.20 is: 879,467,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,292,649.68 : 1,494,922,504.44 = 637,304,213.20 : x
  2. Step 2: Convert to fraction form
    1,083,292,649.68/1,494,922,504.44 = 637,304,213.20/x
  3. Step 3: Cross multiply
    1,083,292,649.68x = 1,494,922,504.44 × 637,304,213.20
  4. Step 4: Simplify right side
    1,083,292,649.68x = 952,720,410,487,107,840
  5. Step 5: Solve for x
    x = 952,720,410,487,107,840/1,083,292,649.68
  6. Step 6: Final answer
    x = 879,467,252.70

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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.