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Finding the Fourth Proportional to 1,062,936,008.80, 1,594,404,013.20 and 488,507,336.80

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Solution

The fourth proportional to 1,062,936,008.80, 1,594,404,013.20 and 488,507,336.80 is: 732,761,005.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,062,936,008.80 : 1,594,404,013.20 = 488,507,336.80 : x
  2. Step 2: Convert to fraction form
    1,062,936,008.80/1,594,404,013.20 = 488,507,336.80/x
  3. Step 3: Cross multiply
    1,062,936,008.80x = 1,594,404,013.20 × 488,507,336.80
  4. Step 4: Simplify right side
    1,062,936,008.80x = 778,878,058,271,564,032
  5. Step 5: Solve for x
    x = 778,878,058,271,564,032/1,062,936,008.80
  6. Step 6: Final answer
    x = 732,761,005.20

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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.