Finding the Fourth Proportional to 353,305,549.68, 530,015,845.36 and 104,335,990.08
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Solution
The fourth proportional to 353,305,549.68, 530,015,845.36 and 104,335,990.08 is: 156,520,971.82
Step by Step Solution
- Step 1: Write the proportion equation
353,305,549.68 : 530,015,845.36 = 104,335,990.08 : x - Step 2: Convert to fraction form
353,305,549.68/530,015,845.36 = 104,335,990.08/x - Step 3: Cross multiply
353,305,549.68x = 530,015,845.36 × 104,335,990.08 - Step 4: Simplify right side
353,305,549.68x = 55,299,727,983,723,776 - Step 5: Solve for x
x = 55,299,727,983,723,776/353,305,549.68 - Step 6: Final answer
x = 156,520,971.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.