Finding the Fourth Proportional to 4,825,769,543.64, 7,249,551,013.80 and 2,861,910,699.12
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Solution
The fourth proportional to 4,825,769,543.64, 7,249,551,013.80 and 2,861,910,699.12 is: 4,299,328,308.70
Step by Step Solution
- Step 1: Write the proportion equation
4,825,769,543.64 : 7,249,551,013.80 = 2,861,910,699.12 : x - Step 2: Convert to fraction form
4,825,769,543.64/7,249,551,013.80 = 2,861,910,699.12/x - Step 3: Cross multiply
4,825,769,543.64x = 7,249,551,013.80 × 2,861,910,699.12 - Step 4: Simplify right side
4,825,769,543.64x = 20,747,567,610,210,463,744 - Step 5: Solve for x
x = 20,747,567,610,210,463,744/4,825,769,543.64 - Step 6: Final answer
x = 4,299,328,308.70
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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.