Home / 627,379,990.32-865,779,599.06-345,116,353.24

Finding the Fourth Proportional to 627,379,990.32, 865,779,599.06 and 345,116,353.24

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Solution

The fourth proportional to 627,379,990.32, 865,779,599.06 and 345,116,353.24 is: 476,257,933.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,379,990.32 : 865,779,599.06 = 345,116,353.24 : x
  2. Step 2: Convert to fraction form
    627,379,990.32/865,779,599.06 = 345,116,353.24/x
  3. Step 3: Cross multiply
    627,379,990.32x = 865,779,599.06 × 345,116,353.24
  4. Step 4: Simplify right side
    627,379,990.32x = 298,794,697,932,961,664
  5. Step 5: Solve for x
    x = 298,794,697,932,961,664/627,379,990.32
  6. Step 6: Final answer
    x = 476,257,933.86

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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.