Home / 886,465,812.30-1,329,698,718.45-240,233,556.30

Finding the Fourth Proportional to 886,465,812.30, 1,329,698,718.45 and 240,233,556.30

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Solution

The fourth proportional to 886,465,812.30, 1,329,698,718.45 and 240,233,556.30 is: 360,350,334.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,465,812.30 : 1,329,698,718.45 = 240,233,556.30 : x
  2. Step 2: Convert to fraction form
    886,465,812.30/1,329,698,718.45 = 240,233,556.30/x
  3. Step 3: Cross multiply
    886,465,812.30x = 1,329,698,718.45 × 240,233,556.30
  4. Step 4: Simplify right side
    886,465,812.30x = 319,438,251,940,795,968
  5. Step 5: Solve for x
    x = 319,438,251,940,795,968/886,465,812.30
  6. Step 6: Final answer
    x = 360,350,334.45

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Double scale
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Similar ratio
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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.