Finding the Fourth Proportional to 42,322,367,419.68, 63,522,777,379.68 and 21,375,510,442.08
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Solution
The fourth proportional to 42,322,367,419.68, 63,522,777,379.68 and 21,375,510,442.08 is: 32,083,077,435.74
Step by Step Solution
- Step 1: Write the proportion equation
42,322,367,419.68 : 63,522,777,379.68 = 21,375,510,442.08 : x - Step 2: Convert to fraction form
42,322,367,419.68/63,522,777,379.68 = 21,375,510,442.08/x - Step 3: Cross multiply
42,322,367,419.68x = 63,522,777,379.68 × 21,375,510,442.08 - Step 4: Simplify right side
42,322,367,419.68x = 1,357,831,791,189,273,083,904 - Step 5: Solve for x
x = 1,357,831,791,189,273,083,904/42,322,367,419.68 - Step 6: Final answer
x = 32,083,077,435.74
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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.