Home / 724,283,564.40-1,086,708,781.80-264,268,234.80

Finding the Fourth Proportional to 724,283,564.40, 1,086,708,781.80 and 264,268,234.80

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Solution

The fourth proportional to 724,283,564.40, 1,086,708,781.80 and 264,268,234.80 is: 396,505,768.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,283,564.40 : 1,086,708,781.80 = 264,268,234.80 : x
  2. Step 2: Convert to fraction form
    724,283,564.40/1,086,708,781.80 = 264,268,234.80/x
  3. Step 3: Cross multiply
    724,283,564.40x = 1,086,708,781.80 × 264,268,234.80
  4. Step 4: Simplify right side
    724,283,564.40x = 287,182,611,507,944,352
  5. Step 5: Solve for x
    x = 287,182,611,507,944,352/724,283,564.40
  6. Step 6: Final answer
    x = 396,505,768.77

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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.