Home / 299,229,778,558.40-412,931,990,972.08-162,051,493,079.20

Finding the Fourth Proportional to 299,229,778,558.40, 412,931,990,972.08 and 162,051,493,079.20

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Solution

The fourth proportional to 299,229,778,558.40, 412,931,990,972.08 and 162,051,493,079.20 is: 223,628,296,620.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,229,778,558.40 : 412,931,990,972.08 = 162,051,493,079.20 : x
  2. Step 2: Convert to fraction form
    299,229,778,558.40/412,931,990,972.08 = 162,051,493,079.20/x
  3. Step 3: Cross multiply
    299,229,778,558.40x = 412,931,990,972.08 × 162,051,493,079.20
  4. Step 4: Simplify right side
    299,229,778,558.40x = 66,916,245,677,192,308,064,256
  5. Step 5: Solve for x
    x = 66,916,245,677,192,308,064,256/299,229,778,558.40
  6. Step 6: Final answer
    x = 223,628,296,620.66

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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.