Home / 436,628,171.30-654,942,256.95-400,915,336.10

Finding the Fourth Proportional to 436,628,171.30, 654,942,256.95 and 400,915,336.10

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Solution

The fourth proportional to 436,628,171.30, 654,942,256.95 and 400,915,336.10 is: 601,373,004.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,628,171.30 : 654,942,256.95 = 400,915,336.10 : x
  2. Step 2: Convert to fraction form
    436,628,171.30/654,942,256.95 = 400,915,336.10/x
  3. Step 3: Cross multiply
    436,628,171.30x = 654,942,256.95 × 400,915,336.10
  4. Step 4: Simplify right side
    436,628,171.30x = 262,576,395,071,201,856
  5. Step 5: Solve for x
    x = 262,576,395,071,201,856/436,628,171.30
  6. Step 6: Final answer
    x = 601,373,004.15

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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.