Finding the Fourth Proportional to 1,366,915,776,095.40, 1,886,170,394,567.70 and 749,456,010,856.05
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Solution
The fourth proportional to 1,366,915,776,095.40, 1,886,170,394,567.70 and 749,456,010,856.05 is: 1,034,154,235,709.72
Step by Step Solution
- Step 1: Write the proportion equation
1,366,915,776,095.40 : 1,886,170,394,567.70 = 749,456,010,856.05 : x - Step 2: Convert to fraction form
1,366,915,776,095.40/1,886,170,394,567.70 = 749,456,010,856.05/x - Step 3: Cross multiply
1,366,915,776,095.40x = 1,886,170,394,567.70 × 749,456,010,856.05 - Step 4: Simplify right side
1,366,915,776,095.40x = 1,413,601,739,707,490,435,596,288 - Step 5: Solve for x
x = 1,413,601,739,707,490,435,596,288/1,366,915,776,095.40 - Step 6: Final answer
x = 1,034,154,235,709.72
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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.