Finding the Fourth Proportional to 478,273,803,283.04, 660,017,904,492 and 261,500,144,669.30
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Solution
The fourth proportional to 478,273,803,283.04, 660,017,904,492 and 261,500,144,669.30 is: 360,870,230,240.99
Step by Step Solution
- Step 1: Write the proportion equation
478,273,803,283.04 : 660,017,904,492 = 261,500,144,669.30 : x - Step 2: Convert to fraction form
478,273,803,283.04/660,017,904,492 = 261,500,144,669.30/x - Step 3: Cross multiply
478,273,803,283.04x = 660,017,904,492 × 261,500,144,669.30 - Step 4: Simplify right side
478,273,803,283.04x = 172,594,777,508,986,205,765,632 - Step 5: Solve for x
x = 172,594,777,508,986,205,765,632/478,273,803,283.04 - Step 6: Final answer
x = 360,870,230,240.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.