Finding the Fourth Proportional to 555,236,362.95, 827,890,588.54 and 539,981,681.19
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Solution
The fourth proportional to 555,236,362.95, 827,890,588.54 and 539,981,681.19 is: 805,144,946.68
Step by Step Solution
- Step 1: Write the proportion equation
555,236,362.95 : 827,890,588.54 = 539,981,681.19 : x - Step 2: Convert to fraction form
555,236,362.95/827,890,588.54 = 539,981,681.19/x - Step 3: Cross multiply
555,236,362.95x = 827,890,588.54 × 539,981,681.19 - Step 4: Simplify right side
555,236,362.95x = 447,045,751,841,207,744 - Step 5: Solve for x
x = 447,045,751,841,207,744/555,236,362.95 - Step 6: Final answer
x = 805,144,946.68
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Double scale
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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.