Finding the Fourth Proportional to 382,742,407.80, 574,113,611.70 and 382,742,407.80
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Solution
The fourth proportional to 382,742,407.80, 574,113,611.70 and 382,742,407.80 is: 574,113,611.70
Step by Step Solution
- Step 1: Write the proportion equation
382,742,407.80 : 574,113,611.70 = 382,742,407.80 : x - Step 2: Convert to fraction form
382,742,407.80/574,113,611.70 = 382,742,407.80/x - Step 3: Cross multiply
382,742,407.80x = 574,113,611.70 × 382,742,407.80 - Step 4: Simplify right side
382,742,407.80x = 219,737,626,092,812,288 - Step 5: Solve for x
x = 219,737,626,092,812,288/382,742,407.80 - Step 6: Final answer
x = 574,113,611.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.