Home / 317,215,940.67-437,759,257.83-177,977,611.35

Finding the Fourth Proportional to 317,215,940.67, 437,759,257.83 and 177,977,611.35

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Solution

The fourth proportional to 317,215,940.67, 437,759,257.83 and 177,977,611.35 is: 245,609,810.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,215,940.67 : 437,759,257.83 = 177,977,611.35 : x
  2. Step 2: Convert to fraction form
    317,215,940.67/437,759,257.83 = 177,977,611.35/x
  3. Step 3: Cross multiply
    317,215,940.67x = 437,759,257.83 × 177,977,611.35
  4. Step 4: Simplify right side
    317,215,940.67x = 77,911,347,054,932,176
  5. Step 5: Solve for x
    x = 77,911,347,054,932,176/317,215,940.67
  6. Step 6: Final answer
    x = 245,609,810.44

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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.