Finding the Fourth Proportional to 2,811,769,817.16, 3,880,242,263.70 and 1,558,703,497.80
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Solution
The fourth proportional to 2,811,769,817.16, 3,880,242,263.70 and 1,558,703,497.80 is: 2,151,010,780.41
Step by Step Solution
- Step 1: Write the proportion equation
2,811,769,817.16 : 3,880,242,263.70 = 1,558,703,497.80 : x - Step 2: Convert to fraction form
2,811,769,817.16/3,880,242,263.70 = 1,558,703,497.80/x - Step 3: Cross multiply
2,811,769,817.16x = 3,880,242,263.70 × 1,558,703,497.80 - Step 4: Simplify right side
2,811,769,817.16x = 6,048,147,188,740,579,328 - Step 5: Solve for x
x = 6,048,147,188,740,579,328/2,811,769,817.16 - Step 6: Final answer
x = 2,151,010,780.41
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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.