Finding the Fourth Proportional to 2,819,715,768.48, 3,891,312,775.44 and 1,690,869,318.96
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Solution
The fourth proportional to 2,819,715,768.48, 3,891,312,775.44 and 1,690,869,318.96 is: 2,333,462,633.37
Step by Step Solution
- Step 1: Write the proportion equation
2,819,715,768.48 : 3,891,312,775.44 = 1,690,869,318.96 : x - Step 2: Convert to fraction form
2,819,715,768.48/3,891,312,775.44 = 1,690,869,318.96/x - Step 3: Cross multiply
2,819,715,768.48x = 3,891,312,775.44 × 1,690,869,318.96 - Step 4: Simplify right side
2,819,715,768.48x = 6,579,701,382,468,580,352 - Step 5: Solve for x
x = 6,579,701,382,468,580,352/2,819,715,768.48 - Step 6: Final answer
x = 2,333,462,633.37
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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.