Home / 1,271,038,629.92-1,754,054,284.82-698,845,858.56

Finding the Fourth Proportional to 1,271,038,629.92, 1,754,054,284.82 and 698,845,858.56

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Solution

The fourth proportional to 1,271,038,629.92, 1,754,054,284.82 and 698,845,858.56 is: 964,418,817.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,038,629.92 : 1,754,054,284.82 = 698,845,858.56 : x
  2. Step 2: Convert to fraction form
    1,271,038,629.92/1,754,054,284.82 = 698,845,858.56/x
  3. Step 3: Cross multiply
    1,271,038,629.92x = 1,754,054,284.82 × 698,845,858.56
  4. Step 4: Simplify right side
    1,271,038,629.92x = 1,225,813,572,632,385,280
  5. Step 5: Solve for x
    x = 1,225,813,572,632,385,280/1,271,038,629.92
  6. Step 6: Final answer
    x = 964,418,817.64

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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.