Finding the Fourth Proportional to 1,416,355,920.70, 2,124,533,881.05 and 804,135,888.70
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Solution
The fourth proportional to 1,416,355,920.70, 2,124,533,881.05 and 804,135,888.70 is: 1,206,203,833.05
Step by Step Solution
- Step 1: Write the proportion equation
1,416,355,920.70 : 2,124,533,881.05 = 804,135,888.70 : x - Step 2: Convert to fraction form
1,416,355,920.70/2,124,533,881.05 = 804,135,888.70/x - Step 3: Cross multiply
1,416,355,920.70x = 2,124,533,881.05 × 804,135,888.70 - Step 4: Simplify right side
1,416,355,920.70x = 1,708,413,940,511,401,984 - Step 5: Solve for x
x = 1,708,413,940,511,401,984/1,416,355,920.70 - Step 6: Final answer
x = 1,206,203,833.05
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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.