Home / 1,643,658,066.82-2,466,334,749.24-770,348,157.40

Finding the Fourth Proportional to 1,643,658,066.82, 2,466,334,749.24 and 770,348,157.40

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Solution

The fourth proportional to 1,643,658,066.82, 2,466,334,749.24 and 770,348,157.40 is: 1,155,919,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,658,066.82 : 2,466,334,749.24 = 770,348,157.40 : x
  2. Step 2: Convert to fraction form
    1,643,658,066.82/2,466,334,749.24 = 770,348,157.40/x
  3. Step 3: Cross multiply
    1,643,658,066.82x = 2,466,334,749.24 × 770,348,157.40
  4. Step 4: Simplify right side
    1,643,658,066.82x = 1,899,936,429,608,624,896
  5. Step 5: Solve for x
    x = 1,899,936,429,608,624,896/1,643,658,066.82
  6. Step 6: Final answer
    x = 1,155,919,511.46

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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.