Home / 436,489,981.10-654,728,804.92-203,190,205.40

Finding the Fourth Proportional to 436,489,981.10, 654,728,804.92 and 203,190,205.40

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Solution

The fourth proportional to 436,489,981.10, 654,728,804.92 and 203,190,205.40 is: 304,782,437.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,489,981.10 : 654,728,804.92 = 203,190,205.40 : x
  2. Step 2: Convert to fraction form
    436,489,981.10/654,728,804.92 = 203,190,205.40/x
  3. Step 3: Cross multiply
    436,489,981.10x = 654,728,804.92 × 203,190,205.40
  4. Step 4: Simplify right side
    436,489,981.10x = 133,034,480,354,971,088
  5. Step 5: Solve for x
    x = 133,034,480,354,971,088/436,489,981.10
  6. Step 6: Final answer
    x = 304,782,437.43

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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.