Finding the Fourth Proportional to 10,208,349,022.95, 15,312,523,534.43 and 8,575,762,270.95
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Solution
The fourth proportional to 10,208,349,022.95, 15,312,523,534.43 and 8,575,762,270.95 is: 12,863,643,406.43
Step by Step Solution
- Step 1: Write the proportion equation
10,208,349,022.95 : 15,312,523,534.43 = 8,575,762,270.95 : x - Step 2: Convert to fraction form
10,208,349,022.95/15,312,523,534.43 = 8,575,762,270.95/x - Step 3: Cross multiply
10,208,349,022.95x = 15,312,523,534.43 × 8,575,762,270.95 - Step 4: Simplify right side
10,208,349,022.95x = 131,316,561,599,555,846,144 - Step 5: Solve for x
x = 131,316,561,599,555,846,144/10,208,349,022.95 - Step 6: Final answer
x = 12,863,643,406.43
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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.