Home / 601,467,661.85-830,198,361.75-363,275,011.58

Finding the Fourth Proportional to 601,467,661.85, 830,198,361.75 and 363,275,011.58

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Solution

The fourth proportional to 601,467,661.85, 830,198,361.75 and 363,275,011.58 is: 501,423,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,467,661.85 : 830,198,361.75 = 363,275,011.58 : x
  2. Step 2: Convert to fraction form
    601,467,661.85/830,198,361.75 = 363,275,011.58/x
  3. Step 3: Cross multiply
    601,467,661.85x = 830,198,361.75 × 363,275,011.58
  4. Step 4: Simplify right side
    601,467,661.85x = 301,590,319,474,277,248
  5. Step 5: Solve for x
    x = 301,590,319,474,277,248/601,467,661.85
  6. Step 6: Final answer
    x = 501,423,997.67

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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.