Finding the Fourth Proportional to 310,780,750.84, 428,887,586.93 and 169,659,496.08
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Solution
The fourth proportional to 310,780,750.84, 428,887,586.93 and 169,659,496.08 is: 234,135,646.03
Step by Step Solution
- Step 1: Write the proportion equation
310,780,750.84 : 428,887,586.93 = 169,659,496.08 : x - Step 2: Convert to fraction form
310,780,750.84/428,887,586.93 = 169,659,496.08/x - Step 3: Cross multiply
310,780,750.84x = 428,887,586.93 × 169,659,496.08 - Step 4: Simplify right side
310,780,750.84x = 72,764,851,873,619,584 - Step 5: Solve for x
x = 72,764,851,873,619,584/310,780,750.84 - Step 6: Final answer
x = 234,135,646.03
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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.