Finding the Fourth Proportional to 1,227,545,612.22, 1,842,482,530.16 and 759,792,127.99
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Solution
The fourth proportional to 1,227,545,612.22, 1,842,482,530.16 and 759,792,127.99 is: 1,140,408,721.63
Step by Step Solution
- Step 1: Write the proportion equation
1,227,545,612.22 : 1,842,482,530.16 = 759,792,127.99 : x - Step 2: Convert to fraction form
1,227,545,612.22/1,842,482,530.16 = 759,792,127.99/x - Step 3: Cross multiply
1,227,545,612.22x = 1,842,482,530.16 × 759,792,127.99 - Step 4: Simplify right side
1,227,545,612.22x = 1,399,903,722,374,088,448 - Step 5: Solve for x
x = 1,399,903,722,374,088,448/1,227,545,612.22 - Step 6: Final answer
x = 1,140,408,721.63
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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.