Finding the Fourth Proportional to 9,893,990,509.60, 14,840,985,764.40 and 8,914,438,458.40
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Solution
The fourth proportional to 9,893,990,509.60, 14,840,985,764.40 and 8,914,438,458.40 is: 13,371,657,687.60
Step by Step Solution
- Step 1: Write the proportion equation
9,893,990,509.60 : 14,840,985,764.40 = 8,914,438,458.40 : x - Step 2: Convert to fraction form
9,893,990,509.60/14,840,985,764.40 = 8,914,438,458.40/x - Step 3: Cross multiply
9,893,990,509.60x = 14,840,985,764.40 × 8,914,438,458.40 - Step 4: Simplify right side
9,893,990,509.60x = 132,299,054,258,734,268,416 - Step 5: Solve for x
x = 132,299,054,258,734,268,416/9,893,990,509.60 - Step 6: Final answer
x = 13,371,657,687.60
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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.