Finding the Fourth Proportional to 2,159,499,762,949.70, 3,238,904,830,613 and 629,318,137,953.65
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Solution
The fourth proportional to 2,159,499,762,949.70, 3,238,904,830,613 and 629,318,137,953.65 is: 943,876,721,813.71
Step by Step Solution
- Step 1: Write the proportion equation
2,159,499,762,949.70 : 3,238,904,830,613 = 629,318,137,953.65 : x - Step 2: Convert to fraction form
2,159,499,762,949.70/3,238,904,830,613 = 629,318,137,953.65/x - Step 3: Cross multiply
2,159,499,762,949.70x = 3,238,904,830,613 × 629,318,137,953.65 - Step 4: Simplify right side
2,159,499,762,949.70x = 2,038,301,557,010,455,523,753,984 - Step 5: Solve for x
x = 2,038,301,557,010,455,523,753,984/2,159,499,762,949.70 - Step 6: Final answer
x = 943,876,721,813.71
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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.