Home / 436,883,675.10-655,325,512.65-399,470,228.70

Finding the Fourth Proportional to 436,883,675.10, 655,325,512.65 and 399,470,228.70

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Solution

The fourth proportional to 436,883,675.10, 655,325,512.65 and 399,470,228.70 is: 599,205,343.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,883,675.10 : 655,325,512.65 = 399,470,228.70 : x
  2. Step 2: Convert to fraction form
    436,883,675.10/655,325,512.65 = 399,470,228.70/x
  3. Step 3: Cross multiply
    436,883,675.10x = 655,325,512.65 × 399,470,228.70
  4. Step 4: Simplify right side
    436,883,675.10x = 261,783,032,411,240,224
  5. Step 5: Solve for x
    x = 261,783,032,411,240,224/436,883,675.10
  6. Step 6: Final answer
    x = 599,205,343.05

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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.