Home / 436,752,409.20-655,128,613.80-403,496,012.40

Finding the Fourth Proportional to 436,752,409.20, 655,128,613.80 and 403,496,012.40

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Solution

The fourth proportional to 436,752,409.20, 655,128,613.80 and 403,496,012.40 is: 605,244,018.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,752,409.20 : 655,128,613.80 = 403,496,012.40 : x
  2. Step 2: Convert to fraction form
    436,752,409.20/655,128,613.80 = 403,496,012.40/x
  3. Step 3: Cross multiply
    436,752,409.20x = 655,128,613.80 × 403,496,012.40
  4. Step 4: Simplify right side
    436,752,409.20x = 264,341,783,277,439,584
  5. Step 5: Solve for x
    x = 264,341,783,277,439,584/436,752,409.20
  6. Step 6: Final answer
    x = 605,244,018.60

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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.