Home / 718,928,113.41-1,078,422,941.30-282,323,268.33

Finding the Fourth Proportional to 718,928,113.41, 1,078,422,941.30 and 282,323,268.33

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Solution

The fourth proportional to 718,928,113.41, 1,078,422,941.30 and 282,323,268.33 is: 423,496,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,928,113.41 : 1,078,422,941.30 = 282,323,268.33 : x
  2. Step 2: Convert to fraction form
    718,928,113.41/1,078,422,941.30 = 282,323,268.33/x
  3. Step 3: Cross multiply
    718,928,113.41x = 1,078,422,941.30 × 282,323,268.33
  4. Step 4: Simplify right side
    718,928,113.41x = 304,463,889,428,456,128
  5. Step 5: Solve for x
    x = 304,463,889,428,456,128/718,928,113.41
  6. Step 6: Final answer
    x = 423,496,986.35

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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.