Finding the Fourth Proportional to 679,632,176.80, 1,017,936,610.80 and 558,699,824.80
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Solution
The fourth proportional to 679,632,176.80, 1,017,936,610.80 and 558,699,824.80 is: 836,807,063.48
Step by Step Solution
- Step 1: Write the proportion equation
679,632,176.80 : 1,017,936,610.80 = 558,699,824.80 : x - Step 2: Convert to fraction form
679,632,176.80/1,017,936,610.80 = 558,699,824.80/x - Step 3: Cross multiply
679,632,176.80x = 1,017,936,610.80 × 558,699,824.80 - Step 4: Simplify right side
679,632,176.80x = 568,721,006,111,465,728 - Step 5: Solve for x
x = 568,721,006,111,465,728/679,632,176.80 - Step 6: Final answer
x = 836,807,063.48
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.