Finding the Fourth Proportional to 403,498,624.60, 556,810,897.66 and 224,873,008.05
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Solution
The fourth proportional to 403,498,624.60, 556,810,897.66 and 224,873,008.05 is: 310,315,163.02
Step by Step Solution
- Step 1: Write the proportion equation
403,498,624.60 : 556,810,897.66 = 224,873,008.05 : x - Step 2: Convert to fraction form
403,498,624.60/556,810,897.66 = 224,873,008.05/x - Step 3: Cross multiply
403,498,624.60x = 556,810,897.66 × 224,873,008.05 - Step 4: Simplify right side
403,498,624.60x = 125,211,741,471,824,912 - Step 5: Solve for x
x = 125,211,741,471,824,912/403,498,624.60 - Step 6: Final answer
x = 310,315,163.02
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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.