Home / 628,021,125.04-866,669,194.20-349,556,672.56

Finding the Fourth Proportional to 628,021,125.04, 866,669,194.20 and 349,556,672.56

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Solution

The fourth proportional to 628,021,125.04, 866,669,194.20 and 349,556,672.56 is: 482,388,231.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,021,125.04 : 866,669,194.20 = 349,556,672.56 : x
  2. Step 2: Convert to fraction form
    628,021,125.04/866,669,194.20 = 349,556,672.56/x
  3. Step 3: Cross multiply
    628,021,125.04x = 866,669,194.20 × 349,556,672.56
  4. Step 4: Simplify right side
    628,021,125.04x = 302,949,999,734,808,448
  5. Step 5: Solve for x
    x = 302,949,999,734,808,448/628,021,125.04
  6. Step 6: Final answer
    x = 482,388,231.31

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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.