Finding the Fourth Proportional to 1,368,105,616.12, 1,887,935,170.20 and 741,560,591.96
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Solution
The fourth proportional to 1,368,105,616.12, 1,887,935,170.20 and 741,560,591.96 is: 1,023,326,200.77
Step by Step Solution
- Step 1: Write the proportion equation
1,368,105,616.12 : 1,887,935,170.20 = 741,560,591.96 : x - Step 2: Convert to fraction form
1,368,105,616.12/1,887,935,170.20 = 741,560,591.96/x - Step 3: Cross multiply
1,368,105,616.12x = 1,887,935,170.20 × 741,560,591.96 - Step 4: Simplify right side
1,368,105,616.12x = 1,400,018,322,395,615,488 - Step 5: Solve for x
x = 1,400,018,322,395,615,488/1,368,105,616.12 - Step 6: Final answer
x = 1,023,326,200.77
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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.