Finding the Fourth Proportional to 1,557,567,092,121.10, 2,149,455,207,601.30 and 863,119,249,843.98
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Solution
The fourth proportional to 1,557,567,092,121.10, 2,149,455,207,601.30 and 863,119,249,843.98 is: 1,191,111,558,367.35
Step by Step Solution
- Step 1: Write the proportion equation
1,557,567,092,121.10 : 2,149,455,207,601.30 = 863,119,249,843.98 : x - Step 2: Convert to fraction form
1,557,567,092,121.10/2,149,455,207,601.30 = 863,119,249,843.98/x - Step 3: Cross multiply
1,557,567,092,121.10x = 2,149,455,207,601.30 × 863,119,249,843.98 - Step 4: Simplify right side
1,557,567,092,121.10x = 1,855,236,166,358,070,311,518,208 - Step 5: Solve for x
x = 1,855,236,166,358,070,311,518,208/1,557,567,092,121.10 - Step 6: Final answer
x = 1,191,111,558,367.35
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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.