Finding the Fourth Proportional to 310,780,901.44, 428,887,794.81 and 169,659,646.53
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Solution
The fourth proportional to 310,780,901.44, 428,887,794.81 and 169,659,646.53 is: 234,135,853.69
Step by Step Solution
- Step 1: Write the proportion equation
310,780,901.44 : 428,887,794.81 = 169,659,646.53 : x - Step 2: Convert to fraction form
310,780,901.44/428,887,794.81 = 169,659,646.53/x - Step 3: Cross multiply
310,780,901.44x = 428,887,794.81 × 169,659,646.53 - Step 4: Simplify right side
310,780,901.44x = 72,764,951,668,495,776 - Step 5: Solve for x
x = 72,764,951,668,495,776/310,780,901.44 - Step 6: Final answer
x = 234,135,853.69
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.