Finding the Fourth Proportional to 1,425,754,137.80, 2,138,332,608.30 and 699,264,230.60
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Solution
The fourth proportional to 1,425,754,137.80, 2,138,332,608.30 and 699,264,230.60 is: 1,048,749,897.66
Step by Step Solution
- Step 1: Write the proportion equation
1,425,754,137.80 : 2,138,332,608.30 = 699,264,230.60 : x - Step 2: Convert to fraction form
1,425,754,137.80/2,138,332,608.30 = 699,264,230.60/x - Step 3: Cross multiply
1,425,754,137.80x = 2,138,332,608.30 × 699,264,230.60 - Step 4: Simplify right side
1,425,754,137.80x = 1,495,259,506,109,790,720 - Step 5: Solve for x
x = 1,495,259,506,109,790,720/1,425,754,137.80 - Step 6: Final answer
x = 1,048,749,897.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.