Finding the Fourth Proportional to 450,614,733.81, 621,650,245.82 and 271,898,937.99
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Solution
The fourth proportional to 450,614,733.81, 621,650,245.82 and 271,898,937.99 is: 375,101,009.70
Step by Step Solution
- Step 1: Write the proportion equation
450,614,733.81 : 621,650,245.82 = 271,898,937.99 : x - Step 2: Convert to fraction form
450,614,733.81/621,650,245.82 = 271,898,937.99/x - Step 3: Cross multiply
450,614,733.81x = 621,650,245.82 × 271,898,937.99 - Step 4: Simplify right side
450,614,733.81x = 169,026,041,637,251,936 - Step 5: Solve for x
x = 169,026,041,637,251,936/450,614,733.81 - Step 6: Final answer
x = 375,101,009.70
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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.