Finding the Fourth Proportional to 535,746,642.41, 739,305,378.29 and 297,607,262.06
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Solution
The fourth proportional to 535,746,642.41, 739,305,378.29 and 297,607,262.06 is: 410,684,140.68
Step by Step Solution
- Step 1: Write the proportion equation
535,746,642.41 : 739,305,378.29 = 297,607,262.06 : x - Step 2: Convert to fraction form
535,746,642.41/739,305,378.29 = 297,607,262.06/x - Step 3: Cross multiply
535,746,642.41x = 739,305,378.29 × 297,607,262.06 - Step 4: Simplify right side
535,746,642.41x = 220,022,649,461,711,744 - Step 5: Solve for x
x = 220,022,649,461,711,744/535,746,642.41 - Step 6: Final answer
x = 410,684,140.68
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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.