Finding the Fourth Proportional to 5,902,369,435.89, 8,855,107,030.44 and 2,121,143,781.99
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Solution
The fourth proportional to 5,902,369,435.89, 8,855,107,030.44 and 2,121,143,781.99 is: 3,182,273,732.69
Step by Step Solution
- Step 1: Write the proportion equation
5,902,369,435.89 : 8,855,107,030.44 = 2,121,143,781.99 : x - Step 2: Convert to fraction form
5,902,369,435.89/8,855,107,030.44 = 2,121,143,781.99/x - Step 3: Cross multiply
5,902,369,435.89x = 8,855,107,030.44 × 2,121,143,781.99 - Step 4: Simplify right side
5,902,369,435.89x = 18,782,955,216,473,739,264 - Step 5: Solve for x
x = 18,782,955,216,473,739,264/5,902,369,435.89 - Step 6: Final answer
x = 3,182,273,732.69
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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.