Finding the Fourth Proportional to 3,810,791,495.75, 5,715,553,232.13 and 1,154,215,962.26
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Solution
The fourth proportional to 3,810,791,495.75, 5,715,553,232.13 and 1,154,215,962.26 is: 1,731,131,913.42
Step by Step Solution
- Step 1: Write the proportion equation
3,810,791,495.75 : 5,715,553,232.13 = 1,154,215,962.26 : x - Step 2: Convert to fraction form
3,810,791,495.75/5,715,553,232.13 = 1,154,215,962.26/x - Step 3: Cross multiply
3,810,791,495.75x = 5,715,553,232.13 × 1,154,215,962.26 - Step 4: Simplify right side
3,810,791,495.75x = 6,596,982,773,671,181,312 - Step 5: Solve for x
x = 6,596,982,773,671,181,312/3,810,791,495.75 - Step 6: Final answer
x = 1,731,131,913.42
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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.