Home / 920,404,202.98-1,380,800,203.03-298,570,881.01

Finding the Fourth Proportional to 920,404,202.98, 1,380,800,203.03 and 298,570,881.01

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Solution

The fourth proportional to 920,404,202.98, 1,380,800,203.03 and 298,570,881.01 is: 447,919,220.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,404,202.98 : 1,380,800,203.03 = 298,570,881.01 : x
  2. Step 2: Convert to fraction form
    920,404,202.98/1,380,800,203.03 = 298,570,881.01/x
  3. Step 3: Cross multiply
    920,404,202.98x = 1,380,800,203.03 × 298,570,881.01
  4. Step 4: Simplify right side
    920,404,202.98x = 412,266,733,116,763,264
  5. Step 5: Solve for x
    x = 412,266,733,116,763,264/920,404,202.98
  6. Step 6: Final answer
    x = 447,919,220.47

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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.