Finding the Fourth Proportional to 465,658,806.10, 698,369,067.86 and 138,057,714.58
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Solution
The fourth proportional to 465,658,806.10, 698,369,067.86 and 138,057,714.58 is: 207,051,249.07
Step by Step Solution
- Step 1: Write the proportion equation
465,658,806.10 : 698,369,067.86 = 138,057,714.58 : x - Step 2: Convert to fraction form
465,658,806.10/698,369,067.86 = 138,057,714.58/x - Step 3: Cross multiply
465,658,806.10x = 698,369,067.86 × 138,057,714.58 - Step 4: Simplify right side
465,658,806.10x = 96,415,237,442,116,544 - Step 5: Solve for x
x = 96,415,237,442,116,544/465,658,806.10 - Step 6: Final answer
x = 207,051,249.07
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.