Home / 472,393,620.80-708,590,431.20-165,716,734.40

Finding the Fourth Proportional to 472,393,620.80, 708,590,431.20 and 165,716,734.40

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Solution

The fourth proportional to 472,393,620.80, 708,590,431.20 and 165,716,734.40 is: 248,575,101.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,620.80 : 708,590,431.20 = 165,716,734.40 : x
  2. Step 2: Convert to fraction form
    472,393,620.80/708,590,431.20 = 165,716,734.40/x
  3. Step 3: Cross multiply
    472,393,620.80x = 708,590,431.20 × 165,716,734.40
  4. Step 4: Simplify right side
    472,393,620.80x = 117,425,292,285,551,888
  5. Step 5: Solve for x
    x = 117,425,292,285,551,888/472,393,620.80
  6. Step 6: Final answer
    x = 248,575,101.60

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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.