Home / 511,560,069.40-767,340,104.10-188,569,912.60

Finding the Fourth Proportional to 511,560,069.40, 767,340,104.10 and 188,569,912.60

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Solution

The fourth proportional to 511,560,069.40, 767,340,104.10 and 188,569,912.60 is: 282,854,868.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    511,560,069.40 : 767,340,104.10 = 188,569,912.60 : x
  2. Step 2: Convert to fraction form
    511,560,069.40/767,340,104.10 = 188,569,912.60/x
  3. Step 3: Cross multiply
    511,560,069.40x = 767,340,104.10 × 188,569,912.60
  4. Step 4: Simplify right side
    511,560,069.40x = 144,697,256,364,611,904
  5. Step 5: Solve for x
    x = 144,697,256,364,611,904/511,560,069.40
  6. Step 6: Final answer
    x = 282,854,868.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.