Finding the Fourth Proportional to 727,773,280.08, 1,004,811,912.84 and 430,511,018.64
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Solution
The fourth proportional to 727,773,280.08, 1,004,811,912.84 and 430,511,018.64 is: 594,391,978.90
Step by Step Solution
- Step 1: Write the proportion equation
727,773,280.08 : 1,004,811,912.84 = 430,511,018.64 : x - Step 2: Convert to fraction form
727,773,280.08/1,004,811,912.84 = 430,511,018.64/x - Step 3: Cross multiply
727,773,280.08x = 1,004,811,912.84 × 430,511,018.64 - Step 4: Simplify right side
727,773,280.08x = 432,582,600,138,355,264 - Step 5: Solve for x
x = 432,582,600,138,355,264/727,773,280.08 - Step 6: Final answer
x = 594,391,978.90
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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.