Finding the Fourth Proportional to 66,594,852,091.96, 99,852,386,245.68 and 21,195,950,328.08
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Solution
The fourth proportional to 66,594,852,091.96, 99,852,386,245.68 and 21,195,950,328.08 is: 31,781,228,616.31
Step by Step Solution
- Step 1: Write the proportion equation
66,594,852,091.96 : 99,852,386,245.68 = 21,195,950,328.08 : x - Step 2: Convert to fraction form
66,594,852,091.96/99,852,386,245.68 = 21,195,950,328.08/x - Step 3: Cross multiply
66,594,852,091.96x = 99,852,386,245.68 × 21,195,950,328.08 - Step 4: Simplify right side
66,594,852,091.96x = 2,116,466,219,003,691,925,504 - Step 5: Solve for x
x = 2,116,466,219,003,691,925,504/66,594,852,091.96 - Step 6: Final answer
x = 31,781,228,616.31
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1.5x scale
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.