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Finding the Fourth Proportional to 692,656,781.44, 955,854,544.64 and 375,114,447.36

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Solution

The fourth proportional to 692,656,781.44, 955,854,544.64 and 375,114,447.36 is: 517,651,539.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,656,781.44 : 955,854,544.64 = 375,114,447.36 : x
  2. Step 2: Convert to fraction form
    692,656,781.44/955,854,544.64 = 375,114,447.36/x
  3. Step 3: Cross multiply
    692,656,781.44x = 955,854,544.64 × 375,114,447.36
  4. Step 4: Simplify right side
    692,656,781.44x = 358,554,849,269,178,048
  5. Step 5: Solve for x
    x = 358,554,849,269,178,048/692,656,781.44
  6. Step 6: Final answer
    x = 517,651,539.52

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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.