Finding the Fourth Proportional to 555,236,449.57, 827,890,717.66 and 539,981,767.99
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Solution
The fourth proportional to 555,236,449.57, 827,890,717.66 and 539,981,767.99 is: 805,145,076.07
Step by Step Solution
- Step 1: Write the proportion equation
555,236,449.57 : 827,890,717.66 = 539,981,767.99 : x - Step 2: Convert to fraction form
555,236,449.57/827,890,717.66 = 539,981,767.99/x - Step 3: Cross multiply
555,236,449.57x = 827,890,717.66 × 539,981,767.99 - Step 4: Simplify right side
555,236,449.57x = 447,045,893,420,417,280 - Step 5: Solve for x
x = 447,045,893,420,417,280/555,236,449.57 - Step 6: Final answer
x = 805,145,076.07
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.