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Finding the Fourth Proportional to 693,836,658.87, 957,708,992.88 and 446,318,013.12

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Solution

The fourth proportional to 693,836,658.87, 957,708,992.88 and 446,318,013.12 is: 616,056,775.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,836,658.87 : 957,708,992.88 = 446,318,013.12 : x
  2. Step 2: Convert to fraction form
    693,836,658.87/957,708,992.88 = 446,318,013.12/x
  3. Step 3: Cross multiply
    693,836,658.87x = 957,708,992.88 × 446,318,013.12
  4. Step 4: Simplify right side
    693,836,658.87x = 427,442,774,849,357,824
  5. Step 5: Solve for x
    x = 427,442,774,849,357,824/693,836,658.87
  6. Step 6: Final answer
    x = 616,056,775.59

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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.