Home / 338,411,490.75-507,618,987.81-154,050,035.52

Finding the Fourth Proportional to 338,411,490.75, 507,618,987.81 and 154,050,035.52

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Solution

The fourth proportional to 338,411,490.75, 507,618,987.81 and 154,050,035.52 is: 231,075,850.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,411,490.75 : 507,618,987.81 = 154,050,035.52 : x
  2. Step 2: Convert to fraction form
    338,411,490.75/507,618,987.81 = 154,050,035.52/x
  3. Step 3: Cross multiply
    338,411,490.75x = 507,618,987.81 × 154,050,035.52
  4. Step 4: Simplify right side
    338,411,490.75x = 78,198,723,102,756,960
  5. Step 5: Solve for x
    x = 78,198,723,102,756,960/338,411,490.75
  6. Step 6: Final answer
    x = 231,075,850.67

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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.