Finding the Fourth Proportional to 20,798,415,352.24, 28,699,391,800.74 and 11,643,445,502.62
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Solution
The fourth proportional to 20,798,415,352.24, 28,699,391,800.74 and 11,643,445,502.62 is: 16,066,599,244.75
Step by Step Solution
- Step 1: Write the proportion equation
20,798,415,352.24 : 28,699,391,800.74 = 11,643,445,502.62 : x - Step 2: Convert to fraction form
20,798,415,352.24/28,699,391,800.74 = 11,643,445,502.62/x - Step 3: Cross multiply
20,798,415,352.24x = 28,699,391,800.74 × 11,643,445,502.62 - Step 4: Simplify right side
20,798,415,352.24x = 334,159,804,390,255,493,120 - Step 5: Solve for x
x = 334,159,804,390,255,493,120/20,798,415,352.24 - Step 6: Final answer
x = 16,066,599,244.75
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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.