Finding the Fourth Proportional to 3,411,402,926.18, 4,707,979,648.61 and 1,885,458,239.14
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Solution
The fourth proportional to 3,411,402,926.18, 4,707,979,648.61 and 1,885,458,239.14 is: 2,602,067,011.79
Step by Step Solution
- Step 1: Write the proportion equation
3,411,402,926.18 : 4,707,979,648.61 = 1,885,458,239.14 : x - Step 2: Convert to fraction form
3,411,402,926.18/4,707,979,648.61 = 1,885,458,239.14/x - Step 3: Cross multiply
3,411,402,926.18x = 4,707,979,648.61 × 1,885,458,239.14 - Step 4: Simplify right side
3,411,402,926.18x = 8,876,699,018,153,968,640 - Step 5: Solve for x
x = 8,876,699,018,153,968,640/3,411,402,926.18 - Step 6: Final answer
x = 2,602,067,011.79
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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.