Finding the Fourth Proportional to 450,769,675.68, 622,060,765.61 and 249,839,362.53
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Solution
The fourth proportional to 450,769,675.68, 622,060,765.61 and 249,839,362.53 is: 344,777,551.64
Step by Step Solution
- Step 1: Write the proportion equation
450,769,675.68 : 622,060,765.61 = 249,839,362.53 : x - Step 2: Convert to fraction form
450,769,675.68/622,060,765.61 = 249,839,362.53/x - Step 3: Cross multiply
450,769,675.68x = 622,060,765.61 × 249,839,362.53 - Step 4: Simplify right side
450,769,675.68x = 155,415,265,133,676,960 - Step 5: Solve for x
x = 155,415,265,133,676,960/450,769,675.68 - Step 6: Final answer
x = 344,777,551.64
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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.