Home / 538,307,839.42-743,003,035.68-350,603,874.67

Finding the Fourth Proportional to 538,307,839.42, 743,003,035.68 and 350,603,874.67

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Solution

The fourth proportional to 538,307,839.42, 743,003,035.68 and 350,603,874.67 is: 483,923,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,307,839.42 : 743,003,035.68 = 350,603,874.67 : x
  2. Step 2: Convert to fraction form
    538,307,839.42/743,003,035.68 = 350,603,874.67/x
  3. Step 3: Cross multiply
    538,307,839.42x = 743,003,035.68 × 350,603,874.67
  4. Step 4: Simplify right side
    538,307,839.42x = 260,499,743,201,834,368
  5. Step 5: Solve for x
    x = 260,499,743,201,834,368/538,307,839.42
  6. Step 6: Final answer
    x = 483,923,368.98

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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.