Home / 321,020,696.40-443,046,380.04-190,640,504.40

Finding the Fourth Proportional to 321,020,696.40, 443,046,380.04 and 190,640,504.40

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Solution

The fourth proportional to 321,020,696.40, 443,046,380.04 and 190,640,504.40 is: 263,106,355.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,020,696.40 : 443,046,380.04 = 190,640,504.40 : x
  2. Step 2: Convert to fraction form
    321,020,696.40/443,046,380.04 = 190,640,504.40/x
  3. Step 3: Cross multiply
    321,020,696.40x = 443,046,380.04 × 190,640,504.40
  4. Step 4: Simplify right side
    321,020,696.40x = 84,462,585,363,419,696
  5. Step 5: Solve for x
    x = 84,462,585,363,419,696/321,020,696.40
  6. Step 6: Final answer
    x = 263,106,355.17

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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.