Home / 628,021,126.04-866,669,195.58-349,556,673.56

Finding the Fourth Proportional to 628,021,126.04, 866,669,195.58 and 349,556,673.56

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Solution

The fourth proportional to 628,021,126.04, 866,669,195.58 and 349,556,673.56 is: 482,388,232.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,021,126.04 : 866,669,195.58 = 349,556,673.56 : x
  2. Step 2: Convert to fraction form
    628,021,126.04/866,669,195.58 = 349,556,673.56/x
  3. Step 3: Cross multiply
    628,021,126.04x = 866,669,195.58 × 349,556,673.56
  4. Step 4: Simplify right side
    628,021,126.04x = 302,950,001,083,865,856
  5. Step 5: Solve for x
    x = 302,950,001,083,865,856/628,021,126.04
  6. Step 6: Final answer
    x = 482,388,232.69

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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.