Finding the Fourth Proportional to 388,767,750, 536,510,692.44 and 214,938,691.44
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Solution
The fourth proportional to 388,767,750, 536,510,692.44 and 214,938,691.44 is: 296,621,584.94
Step by Step Solution
- Step 1: Write the proportion equation
388,767,750 : 536,510,692.44 = 214,938,691.44 : x - Step 2: Convert to fraction form
388,767,750/536,510,692.44 = 214,938,691.44/x - Step 3: Cross multiply
388,767,750x = 536,510,692.44 × 214,938,691.44 - Step 4: Simplify right side
388,767,750x = 115,316,906,176,621,904 - Step 5: Solve for x
x = 115,316,906,176,621,904/388,767,750 - Step 6: Final answer
x = 296,621,584.94
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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.