Home / 620,525,668.73-931,062,651.40-325,350,217.38

Finding the Fourth Proportional to 620,525,668.73, 931,062,651.40 and 325,350,217.38

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Solution

The fourth proportional to 620,525,668.73, 931,062,651.40 and 325,350,217.38 is: 488,169,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,525,668.73 : 931,062,651.40 = 325,350,217.38 : x
  2. Step 2: Convert to fraction form
    620,525,668.73/931,062,651.40 = 325,350,217.38/x
  3. Step 3: Cross multiply
    620,525,668.73x = 931,062,651.40 × 325,350,217.38
  4. Step 4: Simplify right side
    620,525,668.73x = 302,921,436,031,287,360
  5. Step 5: Solve for x
    x = 302,921,436,031,287,360/620,525,668.73
  6. Step 6: Final answer
    x = 488,169,065.84

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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.