Home / 670,076,653.20-1,005,933,792.60-379,146,166.80

Finding the Fourth Proportional to 670,076,653.20, 1,005,933,792.60 and 379,146,166.80

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Solution

The fourth proportional to 670,076,653.20, 1,005,933,792.60 and 379,146,166.80 is: 569,182,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,076,653.20 : 1,005,933,792.60 = 379,146,166.80 : x
  2. Step 2: Convert to fraction form
    670,076,653.20/1,005,933,792.60 = 379,146,166.80/x
  3. Step 3: Cross multiply
    670,076,653.20x = 1,005,933,792.60 × 379,146,166.80
  4. Step 4: Simplify right side
    670,076,653.20x = 381,395,941,518,876,224
  5. Step 5: Solve for x
    x = 381,395,941,518,876,224/670,076,653.20
  6. Step 6: Final answer
    x = 569,182,555.01

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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.