Finding the Fourth Proportional to 218,892,792,501.36, 328,388,698,386.09 and 118,161,497,977.88
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Solution
The fourth proportional to 218,892,792,501.36, 328,388,698,386.09 and 118,161,497,977.88 is: 177,268,972,983.96
Step by Step Solution
- Step 1: Write the proportion equation
218,892,792,501.36 : 328,388,698,386.09 = 118,161,497,977.88 : x - Step 2: Convert to fraction form
218,892,792,501.36/328,388,698,386.09 = 118,161,497,977.88/x - Step 3: Cross multiply
218,892,792,501.36x = 328,388,698,386.09 × 118,161,497,977.88 - Step 4: Simplify right side
218,892,792,501.36x = 38,802,900,520,306,626,002,944 - Step 5: Solve for x
x = 38,802,900,520,306,626,002,944/218,892,792,501.36 - Step 6: Final answer
x = 177,268,972,983.96
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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.