Home / 909,613,696.40-1,364,420,544.60-327,366,936.80

Finding the Fourth Proportional to 909,613,696.40, 1,364,420,544.60 and 327,366,936.80

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Solution

The fourth proportional to 909,613,696.40, 1,364,420,544.60 and 327,366,936.80 is: 491,050,405.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,613,696.40 : 1,364,420,544.60 = 327,366,936.80 : x
  2. Step 2: Convert to fraction form
    909,613,696.40/1,364,420,544.60 = 327,366,936.80/x
  3. Step 3: Cross multiply
    909,613,696.40x = 1,364,420,544.60 × 327,366,936.80
  4. Step 4: Simplify right side
    909,613,696.40x = 446,666,174,192,689,792
  5. Step 5: Solve for x
    x = 446,666,174,192,689,792/909,613,696.40
  6. Step 6: Final answer
    x = 491,050,405.20

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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.