Home / 809,502,627.64-1,117,113,986.82-438,224,647

Finding the Fourth Proportional to 809,502,627.64, 1,117,113,986.82 and 438,224,647

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Solution

The fourth proportional to 809,502,627.64, 1,117,113,986.82 and 438,224,647 is: 604,750,208.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,502,627.64 : 1,117,113,986.82 = 438,224,647 : x
  2. Step 2: Convert to fraction form
    809,502,627.64/1,117,113,986.82 = 438,224,647/x
  3. Step 3: Cross multiply
    809,502,627.64x = 1,117,113,986.82 × 438,224,647
  4. Step 4: Simplify right side
    809,502,627.64x = 489,546,882,532,957,120
  5. Step 5: Solve for x
    x = 489,546,882,532,957,120/809,502,627.64
  6. Step 6: Final answer
    x = 604,750,208.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.