Finding the Fourth Proportional to 66,629,904,271.56, 99,252,342,230.40 and 63,021,010,671.99
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Solution
The fourth proportional to 66,629,904,271.56, 99,252,342,230.40 and 63,021,010,671.99 is: 93,876,510,664.47
Step by Step Solution
- Step 1: Write the proportion equation
66,629,904,271.56 : 99,252,342,230.40 = 63,021,010,671.99 : x - Step 2: Convert to fraction form
66,629,904,271.56/99,252,342,230.40 = 63,021,010,671.99/x - Step 3: Cross multiply
66,629,904,271.56x = 99,252,342,230.40 × 63,021,010,671.99 - Step 4: Simplify right side
66,629,904,271.56x = 6,254,982,918,922,041,294,848 - Step 5: Solve for x
x = 6,254,982,918,922,041,294,848/66,629,904,271.56 - Step 6: Final answer
x = 93,876,510,664.47
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.