Finding the Fourth Proportional to 25,622,567,381.60, 38,439,646,438.80 and 13,831,432,768.88
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Solution
The fourth proportional to 25,622,567,381.60, 38,439,646,438.80 and 13,831,432,768.88 is: 20,750,277,575.99
Step by Step Solution
- Step 1: Write the proportion equation
25,622,567,381.60 : 38,439,646,438.80 = 13,831,432,768.88 : x - Step 2: Convert to fraction form
25,622,567,381.60/38,439,646,438.80 = 13,831,432,768.88/x - Step 3: Cross multiply
25,622,567,381.60x = 38,439,646,438.80 × 13,831,432,768.88 - Step 4: Simplify right side
25,622,567,381.60x = 531,675,385,377,779,744,768 - Step 5: Solve for x
x = 531,675,385,377,779,744,768/25,622,567,381.60 - Step 6: Final answer
x = 20,750,277,575.99
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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.