Finding the Fourth Proportional to 1,259,682,302.16, 1,890,366,258.65 and 522,752,181.84
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Solution
The fourth proportional to 1,259,682,302.16, 1,890,366,258.65 and 522,752,181.84 is: 784,478,026.32
Step by Step Solution
- Step 1: Write the proportion equation
1,259,682,302.16 : 1,890,366,258.65 = 522,752,181.84 : x - Step 2: Convert to fraction form
1,259,682,302.16/1,890,366,258.65 = 522,752,181.84/x - Step 3: Cross multiply
1,259,682,302.16x = 1,890,366,258.65 × 522,752,181.84 - Step 4: Simplify right side
1,259,682,302.16x = 988,193,086,183,391,488 - Step 5: Solve for x
x = 988,193,086,183,391,488/1,259,682,302.16 - Step 6: Final answer
x = 784,478,026.32
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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.