Finding the Fourth Proportional to 579,266,729.53, 799,415,415.94 and 328,375,984.02
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Solution
The fourth proportional to 579,266,729.53, 799,415,415.94 and 328,375,984.02 is: 453,174,350.38
Step by Step Solution
- Step 1: Write the proportion equation
579,266,729.53 : 799,415,415.94 = 328,375,984.02 : x - Step 2: Convert to fraction form
579,266,729.53/799,415,415.94 = 328,375,984.02/x - Step 3: Cross multiply
579,266,729.53x = 799,415,415.94 × 328,375,984.02 - Step 4: Simplify right side
579,266,729.53x = 262,508,823,850,055,104 - Step 5: Solve for x
x = 262,508,823,850,055,104/579,266,729.53 - Step 6: Final answer
x = 453,174,350.38
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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.