Finding the Fourth Proportional to 19,498,136,721.29, 29,226,792,216.68 and 8,159,809,998.03
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Solution
The fourth proportional to 19,498,136,721.29, 29,226,792,216.68 and 8,159,809,998.03 is: 12,231,172,380.68
Step by Step Solution
- Step 1: Write the proportion equation
19,498,136,721.29 : 29,226,792,216.68 = 8,159,809,998.03 : x - Step 2: Convert to fraction form
19,498,136,721.29/29,226,792,216.68 = 8,159,809,998.03/x - Step 3: Cross multiply
19,498,136,721.29x = 29,226,792,216.68 × 8,159,809,998.03 - Step 4: Simplify right side
19,498,136,721.29x = 238,485,071,340,146,393,088 - Step 5: Solve for x
x = 238,485,071,340,146,393,088/19,498,136,721.29 - Step 6: Final answer
x = 12,231,172,380.68
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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.