Finding the Fourth Proportional to 1,637,802,121.68, 2,457,673,948.08 and 603,388,825.56
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Solution
The fourth proportional to 1,637,802,121.68, 2,457,673,948.08 and 603,388,825.56 is: 905,440,881.72
Step by Step Solution
- Step 1: Write the proportion equation
1,637,802,121.68 : 2,457,673,948.08 = 603,388,825.56 : x - Step 2: Convert to fraction form
1,637,802,121.68/2,457,673,948.08 = 603,388,825.56/x - Step 3: Cross multiply
1,637,802,121.68x = 2,457,673,948.08 × 603,388,825.56 - Step 4: Simplify right side
1,637,802,121.68x = 1,482,932,997,141,399,552 - Step 5: Solve for x
x = 1,482,932,997,141,399,552/1,637,802,121.68 - Step 6: Final answer
x = 905,440,881.72
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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.