Finding the Fourth Proportional to 5,415,262,804.67, 7,470,312,356.79 and 3,536,767,673.15
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Solution
The fourth proportional to 5,415,262,804.67, 7,470,312,356.79 and 3,536,767,673.15 is: 4,878,943,128.86
Step by Step Solution
- Step 1: Write the proportion equation
5,415,262,804.67 : 7,470,312,356.79 = 3,536,767,673.15 : x - Step 2: Convert to fraction form
5,415,262,804.67/7,470,312,356.79 = 3,536,767,673.15/x - Step 3: Cross multiply
5,415,262,804.67x = 7,470,312,356.79 × 3,536,767,673.15 - Step 4: Simplify right side
5,415,262,804.67x = 26,420,759,251,790,508,032 - Step 5: Solve for x
x = 26,420,759,251,790,508,032/5,415,262,804.67 - Step 6: Final answer
x = 4,878,943,128.86
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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.