Finding the Fourth Proportional to 1,489,674,884.08, 2,055,815,120.28 and 829,625,159.92
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Solution
The fourth proportional to 1,489,674,884.08, 2,055,815,120.28 and 829,625,159.92 is: 1,144,918,240.99
Step by Step Solution
- Step 1: Write the proportion equation
1,489,674,884.08 : 2,055,815,120.28 = 829,625,159.92 : x - Step 2: Convert to fraction form
1,489,674,884.08/2,055,815,120.28 = 829,625,159.92/x - Step 3: Cross multiply
1,489,674,884.08x = 2,055,815,120.28 × 829,625,159.92 - Step 4: Simplify right side
1,489,674,884.08x = 1,705,555,947,928,248,832 - Step 5: Solve for x
x = 1,705,555,947,928,248,832/1,489,674,884.08 - Step 6: Final answer
x = 1,144,918,240.99
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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.