Home / 939,697,967.55-1,409,546,951.33-395,502,383.55

Finding the Fourth Proportional to 939,697,967.55, 1,409,546,951.33 and 395,502,383.55

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Solution

The fourth proportional to 939,697,967.55, 1,409,546,951.33 and 395,502,383.55 is: 593,253,575.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,697,967.55 : 1,409,546,951.33 = 395,502,383.55 : x
  2. Step 2: Convert to fraction form
    939,697,967.55/1,409,546,951.33 = 395,502,383.55/x
  3. Step 3: Cross multiply
    939,697,967.55x = 1,409,546,951.33 × 395,502,383.55
  4. Step 4: Simplify right side
    939,697,967.55x = 557,479,178,974,673,344
  5. Step 5: Solve for x
    x = 557,479,178,974,673,344/939,697,967.55
  6. Step 6: Final answer
    x = 593,253,575.33

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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.