Home / 456,512,017.76-629,987,792.64-247,668,153.92

Finding the Fourth Proportional to 456,512,017.76, 629,987,792.64 and 247,668,153.92

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Solution

The fourth proportional to 456,512,017.76, 629,987,792.64 and 247,668,153.92 is: 341,782,707.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,512,017.76 : 629,987,792.64 = 247,668,153.92 : x
  2. Step 2: Convert to fraction form
    456,512,017.76/629,987,792.64 = 247,668,153.92/x
  3. Step 3: Cross multiply
    456,512,017.76x = 629,987,792.64 × 247,668,153.92
  4. Step 4: Simplify right side
    456,512,017.76x = 156,027,913,595,284,544
  5. Step 5: Solve for x
    x = 156,027,913,595,284,544/456,512,017.76
  6. Step 6: Final answer
    x = 341,782,707.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.