Home / 434,076,589.60-651,114,884.40-400,820,192.80

Finding the Fourth Proportional to 434,076,589.60, 651,114,884.40 and 400,820,192.80

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Solution

The fourth proportional to 434,076,589.60, 651,114,884.40 and 400,820,192.80 is: 601,230,289.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,076,589.60 : 651,114,884.40 = 400,820,192.80 : x
  2. Step 2: Convert to fraction form
    434,076,589.60/651,114,884.40 = 400,820,192.80/x
  3. Step 3: Cross multiply
    434,076,589.60x = 651,114,884.40 × 400,820,192.80
  4. Step 4: Simplify right side
    434,076,589.60x = 260,979,993,500,157,696
  5. Step 5: Solve for x
    x = 260,979,993,500,157,696/434,076,589.60
  6. Step 6: Final answer
    x = 601,230,289.20

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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.