Home / 1,201,999,096.56-1,660,314,749.44-993,995,451.12

Finding the Fourth Proportional to 1,201,999,096.56, 1,660,314,749.44 and 993,995,451.12

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Solution

The fourth proportional to 1,201,999,096.56, 1,660,314,749.44 and 993,995,451.12 is: 1,373,000,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,999,096.56 : 1,660,314,749.44 = 993,995,451.12 : x
  2. Step 2: Convert to fraction form
    1,201,999,096.56/1,660,314,749.44 = 993,995,451.12/x
  3. Step 3: Cross multiply
    1,201,999,096.56x = 1,660,314,749.44 × 993,995,451.12
  4. Step 4: Simplify right side
    1,201,999,096.56x = 1,650,345,308,370,802,688
  5. Step 5: Solve for x
    x = 1,650,345,308,370,802,688/1,201,999,096.56
  6. Step 6: Final answer
    x = 1,373,000,456.57

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Why These Related Problems?

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