Finding the Fourth Proportional to 5,012,630,989.80, 6,917,390,309.98 and 2,723,743,167.76
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Solution
The fourth proportional to 5,012,630,989.80, 6,917,390,309.98 and 2,723,743,167.76 is: 3,758,743,588.71
Step by Step Solution
- Step 1: Write the proportion equation
5,012,630,989.80 : 6,917,390,309.98 = 2,723,743,167.76 : x - Step 2: Convert to fraction form
5,012,630,989.80/6,917,390,309.98 = 2,723,743,167.76/x - Step 3: Cross multiply
5,012,630,989.80x = 6,917,390,309.98 × 2,723,743,167.76 - Step 4: Simplify right side
5,012,630,989.80x = 18,841,194,595,501,305,856 - Step 5: Solve for x
x = 18,841,194,595,501,305,856/5,012,630,989.80 - Step 6: Final answer
x = 3,758,743,588.71
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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.