Finding the Fourth Proportional to 1,345,129,390.27, 1,856,279,354.68 and 750,413,876.64
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Solution
The fourth proportional to 1,345,129,390.27, 1,856,279,354.68 and 750,413,876.64 is: 1,035,571,593.89
Step by Step Solution
- Step 1: Write the proportion equation
1,345,129,390.27 : 1,856,279,354.68 = 750,413,876.64 : x - Step 2: Convert to fraction form
1,345,129,390.27/1,856,279,354.68 = 750,413,876.64/x - Step 3: Cross multiply
1,345,129,390.27x = 1,856,279,354.68 × 750,413,876.64 - Step 4: Simplify right side
1,345,129,390.27x = 1,392,977,786,672,216,320 - Step 5: Solve for x
x = 1,392,977,786,672,216,320/1,345,129,390.27 - Step 6: Final answer
x = 1,035,571,593.89
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.