Finding the Fourth Proportional to 695,083,315.80, 1,042,624,973.70 and 367,432,224.60
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Solution
The fourth proportional to 695,083,315.80, 1,042,624,973.70 and 367,432,224.60 is: 551,148,336.90
Step by Step Solution
- Step 1: Write the proportion equation
695,083,315.80 : 1,042,624,973.70 = 367,432,224.60 : x - Step 2: Convert to fraction form
695,083,315.80/1,042,624,973.70 = 367,432,224.60/x - Step 3: Cross multiply
695,083,315.80x = 1,042,624,973.70 × 367,432,224.60 - Step 4: Simplify right side
695,083,315.80x = 383,094,013,510,107,520 - Step 5: Solve for x
x = 383,094,013,510,107,520/695,083,315.80 - Step 6: Final answer
x = 551,148,336.90
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Double scale
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Similar ratio
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1.5x scale
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.