Finding the Fourth Proportional to 4,212,515,480.95, 5,810,472,243.12 and 2,709,042,659.02
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Solution
The fourth proportional to 4,212,515,480.95, 5,810,472,243.12 and 2,709,042,659.02 is: 3,736,678,772.30
Step by Step Solution
- Step 1: Write the proportion equation
4,212,515,480.95 : 5,810,472,243.12 = 2,709,042,659.02 : x - Step 2: Convert to fraction form
4,212,515,480.95/5,810,472,243.12 = 2,709,042,659.02/x - Step 3: Cross multiply
4,212,515,480.95x = 5,810,472,243.12 × 2,709,042,659.02 - Step 4: Simplify right side
4,212,515,480.95x = 15,740,817,175,663,708,160 - Step 5: Solve for x
x = 15,740,817,175,663,708,160/4,212,515,480.95 - Step 6: Final answer
x = 3,736,678,772.30
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1.5x scale
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.