Finding the Fourth Proportional to 943,699,387.84, 1,302,863,792.88 and 838,988,239
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Solution
The fourth proportional to 943,699,387.84, 1,302,863,792.88 and 838,988,239 is: 1,158,300,422.07
Step by Step Solution
- Step 1: Write the proportion equation
943,699,387.84 : 1,302,863,792.88 = 838,988,239 : x - Step 2: Convert to fraction form
943,699,387.84/1,302,863,792.88 = 838,988,239/x - Step 3: Cross multiply
943,699,387.84x = 1,302,863,792.88 × 838,988,239 - Step 4: Simplify right side
943,699,387.84x = 1,093,087,399,245,252,096 - Step 5: Solve for x
x = 1,093,087,399,245,252,096/943,699,387.84 - Step 6: Final answer
x = 1,158,300,422.07
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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.