Finding the Fourth Proportional to 869,081,621.60, 1,303,622,432.40 and 593,582,607.20
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Solution
The fourth proportional to 869,081,621.60, 1,303,622,432.40 and 593,582,607.20 is: 890,373,910.80
Step by Step Solution
- Step 1: Write the proportion equation
869,081,621.60 : 1,303,622,432.40 = 593,582,607.20 : x - Step 2: Convert to fraction form
869,081,621.60/1,303,622,432.40 = 593,582,607.20/x - Step 3: Cross multiply
869,081,621.60x = 1,303,622,432.40 × 593,582,607.20 - Step 4: Simplify right side
869,081,621.60x = 773,807,602,228,397,824 - Step 5: Solve for x
x = 773,807,602,228,397,824/869,081,621.60 - Step 6: Final answer
x = 890,373,910.80
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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.