Home / 278,262,003.80-417,393,005.70-176,477,274.20

Finding the Fourth Proportional to 278,262,003.80, 417,393,005.70 and 176,477,274.20

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Solution

The fourth proportional to 278,262,003.80, 417,393,005.70 and 176,477,274.20 is: 264,715,911.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,262,003.80 : 417,393,005.70 = 176,477,274.20 : x
  2. Step 2: Convert to fraction form
    278,262,003.80/417,393,005.70 = 176,477,274.20/x
  3. Step 3: Cross multiply
    278,262,003.80x = 417,393,005.70 × 176,477,274.20
  4. Step 4: Simplify right side
    278,262,003.80x = 73,660,379,916,081,056
  5. Step 5: Solve for x
    x = 73,660,379,916,081,056/278,262,003.80
  6. Step 6: Final answer
    x = 264,715,911.30

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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.