Finding the Fourth Proportional to 3,240,615,617.70, 4,861,056,136.95 and 942,900,929.70
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Solution
The fourth proportional to 3,240,615,617.70, 4,861,056,136.95 and 942,900,929.70 is: 1,414,390,008.44
Step by Step Solution
- Step 1: Write the proportion equation
3,240,615,617.70 : 4,861,056,136.95 = 942,900,929.70 : x - Step 2: Convert to fraction form
3,240,615,617.70/4,861,056,136.95 = 942,900,929.70/x - Step 3: Cross multiply
3,240,615,617.70x = 4,861,056,136.95 × 942,900,929.70 - Step 4: Simplify right side
3,240,615,617.70x = 4,583,494,350,854,045,696 - Step 5: Solve for x
x = 4,583,494,350,854,045,696/3,240,615,617.70 - Step 6: Final answer
x = 1,414,390,008.44
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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.