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Finding the Fourth Proportional to 331,648,447.60, 497,472,671.40 and 159,036,410.80

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Solution

The fourth proportional to 331,648,447.60, 497,472,671.40 and 159,036,410.80 is: 238,554,616.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,648,447.60 : 497,472,671.40 = 159,036,410.80 : x
  2. Step 2: Convert to fraction form
    331,648,447.60/497,472,671.40 = 159,036,410.80/x
  3. Step 3: Cross multiply
    331,648,447.60x = 497,472,671.40 × 159,036,410.80
  4. Step 4: Simplify right side
    331,648,447.60x = 79,116,268,130,543,808
  5. Step 5: Solve for x
    x = 79,116,268,130,543,808/331,648,447.60
  6. Step 6: Final answer
    x = 238,554,616.20

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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.