Finding the Fourth Proportional to 943,699,402.70, 1,302,863,813.34 and 838,988,253.80
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Solution
The fourth proportional to 943,699,402.70, 1,302,863,813.34 and 838,988,253.80 is: 1,158,300,442.46
Step by Step Solution
- Step 1: Write the proportion equation
943,699,402.70 : 1,302,863,813.34 = 838,988,253.80 : x - Step 2: Convert to fraction form
943,699,402.70/1,302,863,813.34 = 838,988,253.80/x - Step 3: Cross multiply
943,699,402.70x = 1,302,863,813.34 × 838,988,253.80 - Step 4: Simplify right side
943,699,402.70x = 1,093,087,435,693,335,552 - Step 5: Solve for x
x = 1,093,087,435,693,335,552/943,699,402.70 - Step 6: Final answer
x = 1,158,300,442.46
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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.