Finding the Fourth Proportional to 1,778,475,511.44, 2,454,310,616.16 and 985,534,735.68
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Solution
The fourth proportional to 1,778,475,511.44, 2,454,310,616.16 and 985,534,735.68 is: 1,360,045,920.69
Step by Step Solution
- Step 1: Write the proportion equation
1,778,475,511.44 : 2,454,310,616.16 = 985,534,735.68 : x - Step 2: Convert to fraction form
1,778,475,511.44/2,454,310,616.16 = 985,534,735.68/x - Step 3: Cross multiply
1,778,475,511.44x = 2,454,310,616.16 × 985,534,735.68 - Step 4: Simplify right side
1,778,475,511.44x = 2,418,808,364,373,863,424 - Step 5: Solve for x
x = 2,418,808,364,373,863,424/1,778,475,511.44 - Step 6: Final answer
x = 1,360,045,920.69
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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.