Finding the Fourth Proportional to 636,920,603,039.80, 955,384,476,341.54 and 212,447,702,747.48
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Solution
The fourth proportional to 636,920,603,039.80, 955,384,476,341.54 and 212,447,702,747.48 is: 318,672,745,504.95
Step by Step Solution
- Step 1: Write the proportion equation
636,920,603,039.80 : 955,384,476,341.54 = 212,447,702,747.48 : x - Step 2: Convert to fraction form
636,920,603,039.80/955,384,476,341.54 = 212,447,702,747.48/x - Step 3: Cross multiply
636,920,603,039.80x = 955,384,476,341.54 × 212,447,702,747.48 - Step 4: Simplify right side
636,920,603,039.80x = 202,969,237,239,364,340,154,368 - Step 5: Solve for x
x = 202,969,237,239,364,340,154,368/636,920,603,039.80 - Step 6: Final answer
x = 318,672,745,504.95
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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.