Home / 338,411,491.75-507,618,989.31-154,050,036.52

Finding the Fourth Proportional to 338,411,491.75, 507,618,989.31 and 154,050,036.52

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Solution

The fourth proportional to 338,411,491.75, 507,618,989.31 and 154,050,036.52 is: 231,075,852.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,411,491.75 : 507,618,989.31 = 154,050,036.52 : x
  2. Step 2: Convert to fraction form
    338,411,491.75/507,618,989.31 = 154,050,036.52/x
  3. Step 3: Cross multiply
    338,411,491.75x = 507,618,989.31 × 154,050,036.52
  4. Step 4: Simplify right side
    338,411,491.75x = 78,198,723,841,450,992
  5. Step 5: Solve for x
    x = 78,198,723,841,450,992/338,411,491.75
  6. Step 6: Final answer
    x = 231,075,852.17

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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.