Finding the Fourth Proportional to 3,689,564,127.93, 5,092,207,329.42 and 2,261,429,641.53
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Solution
The fourth proportional to 3,689,564,127.93, 5,092,207,329.42 and 2,261,429,641.53 is: 3,121,146,074.79
Step by Step Solution
- Step 1: Write the proportion equation
3,689,564,127.93 : 5,092,207,329.42 = 2,261,429,641.53 : x - Step 2: Convert to fraction form
3,689,564,127.93/5,092,207,329.42 = 2,261,429,641.53/x - Step 3: Cross multiply
3,689,564,127.93x = 5,092,207,329.42 × 2,261,429,641.53 - Step 4: Simplify right side
3,689,564,127.93x = 11,515,668,595,566,710,784 - Step 5: Solve for x
x = 11,515,668,595,566,710,784/3,689,564,127.93 - Step 6: Final answer
x = 3,121,146,074.79
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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.