Finding the Fourth Proportional to 545,751,012.30, 818,626,518.45 and 218,064,491.70
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Solution
The fourth proportional to 545,751,012.30, 818,626,518.45 and 218,064,491.70 is: 327,096,737.55
Step by Step Solution
- Step 1: Write the proportion equation
545,751,012.30 : 818,626,518.45 = 218,064,491.70 : x - Step 2: Convert to fraction form
545,751,012.30/818,626,518.45 = 218,064,491.70/x - Step 3: Cross multiply
545,751,012.30x = 818,626,518.45 × 218,064,491.70 - Step 4: Simplify right side
545,751,012.30x = 178,513,375,637,939,936 - Step 5: Solve for x
x = 178,513,375,637,939,936/545,751,012.30 - Step 6: Final answer
x = 327,096,737.55
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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.