Finding the Fourth Proportional to 2,020,749,716.24, 2,788,604,930.68 and 1,128,689,461.16
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Solution
The fourth proportional to 2,020,749,716.24, 2,788,604,930.68 and 1,128,689,461.16 is: 1,557,574,879.90
Step by Step Solution
- Step 1: Write the proportion equation
2,020,749,716.24 : 2,788,604,930.68 = 1,128,689,461.16 : x - Step 2: Convert to fraction form
2,020,749,716.24/2,788,604,930.68 = 1,128,689,461.16/x - Step 3: Cross multiply
2,020,749,716.24x = 2,788,604,930.68 × 1,128,689,461.16 - Step 4: Simplify right side
2,020,749,716.24x = 3,147,468,996,580,563,456 - Step 5: Solve for x
x = 3,147,468,996,580,563,456/2,020,749,716.24 - Step 6: Final answer
x = 1,557,574,879.90
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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.