Home / 1,076,237,621.10-1,485,207,908.37-581,200,285.86

Finding the Fourth Proportional to 1,076,237,621.10, 1,485,207,908.37 and 581,200,285.86

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Solution

The fourth proportional to 1,076,237,621.10, 1,485,207,908.37 and 581,200,285.86 is: 802,056,389.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,076,237,621.10 : 1,485,207,908.37 = 581,200,285.86 : x
  2. Step 2: Convert to fraction form
    1,076,237,621.10/1,485,207,908.37 = 581,200,285.86/x
  3. Step 3: Cross multiply
    1,076,237,621.10x = 1,485,207,908.37 × 581,200,285.86
  4. Step 4: Simplify right side
    1,076,237,621.10x = 863,203,260,906,176,640
  5. Step 5: Solve for x
    x = 863,203,260,906,176,640/1,076,237,621.10
  6. Step 6: Final answer
    x = 802,056,389.76

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1.5x scale

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.