Finding the Fourth Proportional to 28,190,684,941.08, 38,892,135,098.70 and 16,141,256,614.68
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Solution
The fourth proportional to 28,190,684,941.08, 38,892,135,098.70 and 16,141,256,614.68 is: 22,268,630,018.50
Step by Step Solution
- Step 1: Write the proportion equation
28,190,684,941.08 : 38,892,135,098.70 = 16,141,256,614.68 : x - Step 2: Convert to fraction form
28,190,684,941.08/38,892,135,098.70 = 16,141,256,614.68/x - Step 3: Cross multiply
28,190,684,941.08x = 38,892,135,098.70 × 16,141,256,614.68 - Step 4: Simplify right side
28,190,684,941.08x = 627,767,932,920,919,490,560 - Step 5: Solve for x
x = 627,767,932,920,919,490,560/28,190,684,941.08 - Step 6: Final answer
x = 22,268,630,018.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.