Finding the Fourth Proportional to 5,878,887,558.40, 8,818,331,337.60 and 3,552,451,436.80
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Solution
The fourth proportional to 5,878,887,558.40, 8,818,331,337.60 and 3,552,451,436.80 is: 5,328,677,155.20
Step by Step Solution
- Step 1: Write the proportion equation
5,878,887,558.40 : 8,818,331,337.60 = 3,552,451,436.80 : x - Step 2: Convert to fraction form
5,878,887,558.40/8,818,331,337.60 = 3,552,451,436.80/x - Step 3: Cross multiply
5,878,887,558.40x = 8,818,331,337.60 × 3,552,451,436.80 - Step 4: Simplify right side
5,878,887,558.40x = 31,326,693,830,435,590,144 - Step 5: Solve for x
x = 31,326,693,830,435,590,144/5,878,887,558.40 - Step 6: Final answer
x = 5,328,677,155.20
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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.