Finding the Fourth Proportional to 4,949,862,198.07, 6,830,673,663.12 and 2,722,194,495.67
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Solution
The fourth proportional to 4,949,862,198.07, 6,830,673,663.12 and 2,722,194,495.67 is: 3,756,553,516.72
Step by Step Solution
- Step 1: Write the proportion equation
4,949,862,198.07 : 6,830,673,663.12 = 2,722,194,495.67 : x - Step 2: Convert to fraction form
4,949,862,198.07/6,830,673,663.12 = 2,722,194,495.67/x - Step 3: Cross multiply
4,949,862,198.07x = 6,830,673,663.12 × 2,722,194,495.67 - Step 4: Simplify right side
4,949,862,198.07x = 18,594,422,247,463,301,120 - Step 5: Solve for x
x = 18,594,422,247,463,301,120/4,949,862,198.07 - Step 6: Final answer
x = 3,756,553,516.72
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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.