Finding the Fourth Proportional to 283,742,877.77, 391,217,294.33 and 233,330,924.26
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Solution
The fourth proportional to 283,742,877.77, 391,217,294.33 and 233,330,924.26 is: 321,710,604.99
Step by Step Solution
- Step 1: Write the proportion equation
283,742,877.77 : 391,217,294.33 = 233,330,924.26 : x - Step 2: Convert to fraction form
283,742,877.77/391,217,294.33 = 233,330,924.26/x - Step 3: Cross multiply
283,742,877.77x = 391,217,294.33 × 233,330,924.26 - Step 4: Simplify right side
283,742,877.77x = 91,283,092,870,370,656 - Step 5: Solve for x
x = 91,283,092,870,370,656/283,742,877.77 - Step 6: Final answer
x = 321,710,604.99
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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.