Finding the Fourth Proportional to 258,756,145,104.76, 388,142,124,847.80 and 88,773,349,745.97
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Solution
The fourth proportional to 258,756,145,104.76, 388,142,124,847.80 and 88,773,349,745.97 is: 133,162,737,396.28
Step by Step Solution
- Step 1: Write the proportion equation
258,756,145,104.76 : 388,142,124,847.80 = 88,773,349,745.97 : x - Step 2: Convert to fraction form
258,756,145,104.76/388,142,124,847.80 = 88,773,349,745.97/x - Step 3: Cross multiply
258,756,145,104.76x = 388,142,124,847.80 × 88,773,349,745.97 - Step 4: Simplify right side
258,756,145,104.76x = 34,456,676,600,257,699,643,392 - Step 5: Solve for x
x = 34,456,676,600,257,699,643,392/258,756,145,104.76 - Step 6: Final answer
x = 133,162,737,396.28
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1.5x scale
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.