Finding the Fourth Proportional to 859,413,669,707.05, 1,185,994,551,343.20 and 468,788,746,129.95
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Solution
The fourth proportional to 859,413,669,707.05, 1,185,994,551,343.20 and 468,788,746,129.95 is: 646,930,480,906.42
Step by Step Solution
- Step 1: Write the proportion equation
859,413,669,707.05 : 1,185,994,551,343.20 = 468,788,746,129.95 : x - Step 2: Convert to fraction form
859,413,669,707.05/1,185,994,551,343.20 = 468,788,746,129.95/x - Step 3: Cross multiply
859,413,669,707.05x = 1,185,994,551,343.20 × 468,788,746,129.95 - Step 4: Simplify right side
859,413,669,707.05x = 555,980,898,641,131,310,415,872 - Step 5: Solve for x
x = 555,980,898,641,131,310,415,872/859,413,669,707.05 - Step 6: Final answer
x = 646,930,480,906.42
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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.