Home / 1,643,876,239.41-2,268,718,292.70-1,000,177,871.40

Finding the Fourth Proportional to 1,643,876,239.41, 2,268,718,292.70 and 1,000,177,871.40

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Solution

The fourth proportional to 1,643,876,239.41, 2,268,718,292.70 and 1,000,177,871.40 is: 1,380,348,336.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,876,239.41 : 2,268,718,292.70 = 1,000,177,871.40 : x
  2. Step 2: Convert to fraction form
    1,643,876,239.41/2,268,718,292.70 = 1,000,177,871.40/x
  3. Step 3: Cross multiply
    1,643,876,239.41x = 2,268,718,292.70 × 1,000,177,871.40
  4. Step 4: Simplify right side
    1,643,876,239.41x = 2,269,121,832,793,065,984
  5. Step 5: Solve for x
    x = 2,269,121,832,793,065,984/1,643,876,239.41
  6. Step 6: Final answer
    x = 1,380,348,336.69

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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.