Home / 472,393,383.20-708,590,074.80-165,574,779.20

Finding the Fourth Proportional to 472,393,383.20, 708,590,074.80 and 165,574,779.20

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Solution

The fourth proportional to 472,393,383.20, 708,590,074.80 and 165,574,779.20 is: 248,362,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,393,383.20 : 708,590,074.80 = 165,574,779.20 : x
  2. Step 2: Convert to fraction form
    472,393,383.20/708,590,074.80 = 165,574,779.20/x
  3. Step 3: Cross multiply
    472,393,383.20x = 708,590,074.80 × 165,574,779.20
  4. Step 4: Simplify right side
    472,393,383.20x = 117,324,645,178,321,472
  5. Step 5: Solve for x
    x = 117,324,645,178,321,472/472,393,383.20
  6. Step 6: Final answer
    x = 248,362,168.80

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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.