Finding the Fourth Proportional to 383,841,266,128.42, 529,717,598,014.80 and 212,563,197,617.96
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Solution
The fourth proportional to 383,841,266,128.42, 529,717,598,014.80 and 212,563,197,617.96 is: 293,346,433,551.15
Step by Step Solution
- Step 1: Write the proportion equation
383,841,266,128.42 : 529,717,598,014.80 = 212,563,197,617.96 : x - Step 2: Convert to fraction form
383,841,266,128.42/529,717,598,014.80 = 212,563,197,617.96/x - Step 3: Cross multiply
383,841,266,128.42x = 529,717,598,014.80 × 212,563,197,617.96 - Step 4: Simplify right side
383,841,266,128.42x = 112,598,466,468,531,021,021,184 - Step 5: Solve for x
x = 112,598,466,468,531,021,021,184/383,841,266,128.42 - Step 6: Final answer
x = 293,346,433,551.15
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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.