Home / 436,752,534.20-655,128,801.30-403,496,137.40

Finding the Fourth Proportional to 436,752,534.20, 655,128,801.30 and 403,496,137.40

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Solution

The fourth proportional to 436,752,534.20, 655,128,801.30 and 403,496,137.40 is: 605,244,206.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,534.20 : 655,128,801.30 = 403,496,137.40 : x
  2. Step 2: Convert to fraction form
    436,752,534.20/655,128,801.30 = 403,496,137.40/x
  3. Step 3: Cross multiply
    436,752,534.20x = 655,128,801.30 × 403,496,137.40
  4. Step 4: Simplify right side
    436,752,534.20x = 264,341,940,824,042,048
  5. Step 5: Solve for x
    x = 264,341,940,824,042,048/436,752,534.20
  6. Step 6: Final answer
    x = 605,244,206.10

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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.