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Finding the Fourth Proportional to 715,662,633.60, 1,073,493,950.40 and 579,613,737.60

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Solution

The fourth proportional to 715,662,633.60, 1,073,493,950.40 and 579,613,737.60 is: 869,420,606.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,662,633.60 : 1,073,493,950.40 = 579,613,737.60 : x
  2. Step 2: Convert to fraction form
    715,662,633.60/1,073,493,950.40 = 579,613,737.60/x
  3. Step 3: Cross multiply
    715,662,633.60x = 1,073,493,950.40 × 579,613,737.60
  4. Step 4: Simplify right side
    715,662,633.60x = 622,211,840,882,333,056
  5. Step 5: Solve for x
    x = 622,211,840,882,333,056/715,662,633.60
  6. Step 6: Final answer
    x = 869,420,606.40

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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.