Home / 436,555,002.15-654,923,482.43-145,512,541.35

Finding the Fourth Proportional to 436,555,002.15, 654,923,482.43 and 145,512,541.35

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Solution

The fourth proportional to 436,555,002.15, 654,923,482.43 and 145,512,541.35 is: 218,299,137.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,555,002.15 : 654,923,482.43 = 145,512,541.35 : x
  2. Step 2: Convert to fraction form
    436,555,002.15/654,923,482.43 = 145,512,541.35/x
  3. Step 3: Cross multiply
    436,555,002.15x = 654,923,482.43 × 145,512,541.35
  4. Step 4: Simplify right side
    436,555,002.15x = 95,299,580,317,453,792
  5. Step 5: Solve for x
    x = 95,299,580,317,453,792/436,555,002.15
  6. Step 6: Final answer
    x = 218,299,137.22

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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.