Home / 355,485,730,035.42-490,570,307,480.32-192,905,375,942.34

Finding the Fourth Proportional to 355,485,730,035.42, 490,570,307,480.32 and 192,905,375,942.34

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Solution

The fourth proportional to 355,485,730,035.42, 490,570,307,480.32 and 192,905,375,942.34 is: 266,209,418,817.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,485,730,035.42 : 490,570,307,480.32 = 192,905,375,942.34 : x
  2. Step 2: Convert to fraction form
    355,485,730,035.42/490,570,307,480.32 = 192,905,375,942.34/x
  3. Step 3: Cross multiply
    355,485,730,035.42x = 490,570,307,480.32 × 192,905,375,942.34
  4. Step 4: Simplify right side
    355,485,730,035.42x = 94,633,649,590,640,459,120,640
  5. Step 5: Solve for x
    x = 94,633,649,590,640,459,120,640/355,485,730,035.42
  6. Step 6: Final answer
    x = 266,209,418,817.49

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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.