Home / 708,190,186.80-1,062,285,280.20-402,080,170.80

Finding the Fourth Proportional to 708,190,186.80, 1,062,285,280.20 and 402,080,170.80

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Solution

The fourth proportional to 708,190,186.80, 1,062,285,280.20 and 402,080,170.80 is: 603,120,256.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,190,186.80 : 1,062,285,280.20 = 402,080,170.80 : x
  2. Step 2: Convert to fraction form
    708,190,186.80/1,062,285,280.20 = 402,080,170.80/x
  3. Step 3: Cross multiply
    708,190,186.80x = 1,062,285,280.20 × 402,080,170.80
  4. Step 4: Simplify right side
    708,190,186.80x = 427,123,846,901,141,888
  5. Step 5: Solve for x
    x = 427,123,846,901,141,888/708,190,186.80
  6. Step 6: Final answer
    x = 603,120,256.20

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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.