Finding the Fourth Proportional to 1,173,311,625.11, 1,758,873,314.97 and 396,413,970.44
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Solution
The fourth proportional to 1,173,311,625.11, 1,758,873,314.97 and 396,413,970.44 is: 594,251,296.38
Step by Step Solution
- Step 1: Write the proportion equation
1,173,311,625.11 : 1,758,873,314.97 = 396,413,970.44 : x - Step 2: Convert to fraction form
1,173,311,625.11/1,758,873,314.97 = 396,413,970.44/x - Step 3: Cross multiply
1,173,311,625.11x = 1,758,873,314.97 × 396,413,970.44 - Step 4: Simplify right side
1,173,311,625.11x = 697,241,954,279,428,096 - Step 5: Solve for x
x = 697,241,954,279,428,096/1,173,311,625.11 - Step 6: Final answer
x = 594,251,296.38
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1.5x scale
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.