Finding the Fourth Proportional to 71,416,893,701.04, 98,555,329,394.76 and 39,302,255,855.18
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Solution
The fourth proportional to 71,416,893,701.04, 98,555,329,394.76 and 39,302,255,855.18 is: 54,237,121,933.35
Step by Step Solution
- Step 1: Write the proportion equation
71,416,893,701.04 : 98,555,329,394.76 = 39,302,255,855.18 : x - Step 2: Convert to fraction form
71,416,893,701.04/98,555,329,394.76 = 39,302,255,855.18/x - Step 3: Cross multiply
71,416,893,701.04x = 98,555,329,394.76 × 39,302,255,855.18 - Step 4: Simplify right side
71,416,893,701.04x = 3,873,446,771,764,399,439,872 - Step 5: Solve for x
x = 3,873,446,771,764,399,439,872/71,416,893,701.04 - Step 6: Final answer
x = 54,237,121,933.35
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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.