Home / 623,702,644.20-860,709,665.52-345,244,167.72

Finding the Fourth Proportional to 623,702,644.20, 860,709,665.52 and 345,244,167.72

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Solution

The fourth proportional to 623,702,644.20, 860,709,665.52 and 345,244,167.72 is: 476,436,960.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,702,644.20 : 860,709,665.52 = 345,244,167.72 : x
  2. Step 2: Convert to fraction form
    623,702,644.20/860,709,665.52 = 345,244,167.72/x
  3. Step 3: Cross multiply
    623,702,644.20x = 860,709,665.52 × 345,244,167.72
  4. Step 4: Simplify right side
    623,702,644.20x = 297,154,992,121,011,968
  5. Step 5: Solve for x
    x = 297,154,992,121,011,968/623,702,644.20
  6. Step 6: Final answer
    x = 476,436,960.60

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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.