Finding the Fourth Proportional to 898,156,983.60, 1,347,235,475.40 and 509,829,764.40
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Solution
The fourth proportional to 898,156,983.60, 1,347,235,475.40 and 509,829,764.40 is: 764,744,646.60
Step by Step Solution
- Step 1: Write the proportion equation
898,156,983.60 : 1,347,235,475.40 = 509,829,764.40 : x - Step 2: Convert to fraction form
898,156,983.60/1,347,235,475.40 = 509,829,764.40/x - Step 3: Cross multiply
898,156,983.60x = 1,347,235,475.40 × 509,829,764.40 - Step 4: Simplify right side
898,156,983.60x = 686,860,745,014,504,064 - Step 5: Solve for x
x = 686,860,745,014,504,064/898,156,983.60 - Step 6: Final answer
x = 764,744,646.60
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Similar ratio
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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.