Finding the Fourth Proportional to 886,683,075,691.12, 1,329,308,868,448.20 and 815,112,381,781.96
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Solution
The fourth proportional to 886,683,075,691.12, 1,329,308,868,448.20 and 815,112,381,781.96 is: 1,222,010,600,619.77
Step by Step Solution
- Step 1: Write the proportion equation
886,683,075,691.12 : 1,329,308,868,448.20 = 815,112,381,781.96 : x - Step 2: Convert to fraction form
886,683,075,691.12/1,329,308,868,448.20 = 815,112,381,781.96/x - Step 3: Cross multiply
886,683,075,691.12x = 1,329,308,868,448.20 × 815,112,381,781.96 - Step 4: Simplify right side
886,683,075,691.12x = 1,083,536,117,884,694,292,332,544 - Step 5: Solve for x
x = 1,083,536,117,884,694,292,332,544/886,683,075,691.12 - Step 6: Final answer
x = 1,222,010,600,619.77
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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.