Home / 744,554,003.40-1,116,831,005.10-494,883,021.60

Finding the Fourth Proportional to 744,554,003.40, 1,116,831,005.10 and 494,883,021.60

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Solution

The fourth proportional to 744,554,003.40, 1,116,831,005.10 and 494,883,021.60 is: 742,324,532.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,554,003.40 : 1,116,831,005.10 = 494,883,021.60 : x
  2. Step 2: Convert to fraction form
    744,554,003.40/1,116,831,005.10 = 494,883,021.60/x
  3. Step 3: Cross multiply
    744,554,003.40x = 1,116,831,005.10 × 494,883,021.60
  4. Step 4: Simplify right side
    744,554,003.40x = 552,700,702,420,452,992
  5. Step 5: Solve for x
    x = 552,700,702,420,452,992/744,554,003.40
  6. Step 6: Final answer
    x = 742,324,532.40

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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.