Finding the Fourth Proportional to 426,688,305,253.83, 639,776,861,489.16 and 135,807,255,963.92
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Solution
The fourth proportional to 426,688,305,253.83, 639,776,861,489.16 and 135,807,255,963.92 is: 203,629,532,185.95
Step by Step Solution
- Step 1: Write the proportion equation
426,688,305,253.83 : 639,776,861,489.16 = 135,807,255,963.92 : x - Step 2: Convert to fraction form
426,688,305,253.83/639,776,861,489.16 = 135,807,255,963.92/x - Step 3: Cross multiply
426,688,305,253.83x = 639,776,861,489.16 × 135,807,255,963.92 - Step 4: Simplify right side
426,688,305,253.83x = 86,886,339,988,051,745,308,672 - Step 5: Solve for x
x = 86,886,339,988,051,745,308,672/426,688,305,253.83 - Step 6: Final answer
x = 203,629,532,185.95
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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.