Finding the Fourth Proportional to 1,234,926,439.70, 1,852,389,659.55 and 622,706,407.70
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Solution
The fourth proportional to 1,234,926,439.70, 1,852,389,659.55 and 622,706,407.70 is: 934,059,611.55
Step by Step Solution
- Step 1: Write the proportion equation
1,234,926,439.70 : 1,852,389,659.55 = 622,706,407.70 : x - Step 2: Convert to fraction form
1,234,926,439.70/1,852,389,659.55 = 622,706,407.70/x - Step 3: Cross multiply
1,234,926,439.70x = 1,852,389,659.55 × 622,706,407.70 - Step 4: Simplify right side
1,234,926,439.70x = 1,153,494,910,559,006,464 - Step 5: Solve for x
x = 1,153,494,910,559,006,464/1,234,926,439.70 - Step 6: Final answer
x = 934,059,611.55
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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.