Finding the Fourth Proportional to 4,720,404,203.87, 6,514,178,607.47 and 2,605,877,523.82
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Solution
The fourth proportional to 4,720,404,203.87, 6,514,178,607.47 and 2,605,877,523.82 is: 3,596,122,468.79
Step by Step Solution
- Step 1: Write the proportion equation
4,720,404,203.87 : 6,514,178,607.47 = 2,605,877,523.82 : x - Step 2: Convert to fraction form
4,720,404,203.87/6,514,178,607.47 = 2,605,877,523.82/x - Step 3: Cross multiply
4,720,404,203.87x = 6,514,178,607.47 × 2,605,877,523.82 - Step 4: Simplify right side
4,720,404,203.87x = 16,975,151,619,309,539,328 - Step 5: Solve for x
x = 16,975,151,619,309,539,328/4,720,404,203.87 - Step 6: Final answer
x = 3,596,122,468.79
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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.