Finding the Fourth Proportional to 387,240,175.90, 534,375,893.62 and 211,024,415.49
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Solution
The fourth proportional to 387,240,175.90, 534,375,893.62 and 211,024,415.49 is: 291,205,219.97
Step by Step Solution
- Step 1: Write the proportion equation
387,240,175.90 : 534,375,893.62 = 211,024,415.49 : x - Step 2: Convert to fraction form
387,240,175.90/534,375,893.62 = 211,024,415.49/x - Step 3: Cross multiply
387,240,175.90x = 534,375,893.62 × 211,024,415.49 - Step 4: Simplify right side
387,240,175.90x = 112,766,360,603,106,928 - Step 5: Solve for x
x = 112,766,360,603,106,928/387,240,175.90 - Step 6: Final answer
x = 291,205,219.97
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.