Home / 1,232,375,123.23-1,700,679,123.90-667,860,001.94

Finding the Fourth Proportional to 1,232,375,123.23, 1,700,679,123.90 and 667,860,001.94

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Solution

The fourth proportional to 1,232,375,123.23, 1,700,679,123.90 and 667,860,001.94 is: 921,647,590.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,232,375,123.23 : 1,700,679,123.90 = 667,860,001.94 : x
  2. Step 2: Convert to fraction form
    1,232,375,123.23/1,700,679,123.90 = 667,860,001.94/x
  3. Step 3: Cross multiply
    1,232,375,123.23x = 1,700,679,123.90 × 667,860,001.94
  4. Step 4: Simplify right side
    1,232,375,123.23x = 1,135,815,562,991,423,232
  5. Step 5: Solve for x
    x = 1,135,815,562,991,423,232/1,232,375,123.23
  6. Step 6: Final answer
    x = 921,647,590.56

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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.