Home / 680,365,443.74-1,019,719,059.32-352,660,289.90

Finding the Fourth Proportional to 680,365,443.74, 1,019,719,059.32 and 352,660,289.90

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Solution

The fourth proportional to 680,365,443.74, 1,019,719,059.32 and 352,660,289.90 is: 528,560,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,365,443.74 : 1,019,719,059.32 = 352,660,289.90 : x
  2. Step 2: Convert to fraction form
    680,365,443.74/1,019,719,059.32 = 352,660,289.90/x
  3. Step 3: Cross multiply
    680,365,443.74x = 1,019,719,059.32 × 352,660,289.90
  4. Step 4: Simplify right side
    680,365,443.74x = 359,614,419,076,346,496
  5. Step 5: Solve for x
    x = 359,614,419,076,346,496/680,365,443.74
  6. Step 6: Final answer
    x = 528,560,676.30

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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.