Home / 717,422,529.20-1,076,385,736.20-308,603,994.80

Finding the Fourth Proportional to 717,422,529.20, 1,076,385,736.20 and 308,603,994.80

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Solution

The fourth proportional to 717,422,529.20, 1,076,385,736.20 and 308,603,994.80 is: 463,014,366.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    717,422,529.20 : 1,076,385,736.20 = 308,603,994.80 : x
  2. Step 2: Convert to fraction form
    717,422,529.20/1,076,385,736.20 = 308,603,994.80/x
  3. Step 3: Cross multiply
    717,422,529.20x = 1,076,385,736.20 × 308,603,994.80
  4. Step 4: Simplify right side
    717,422,529.20x = 332,176,938,137,059,008
  5. Step 5: Solve for x
    x = 332,176,938,137,059,008/717,422,529.20
  6. Step 6: Final answer
    x = 463,014,366.87

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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.