Finding the Fourth Proportional to 364,827,317.84, 503,461,971.43 and 197,563,762.43
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Solution
The fourth proportional to 364,827,317.84, 503,461,971.43 and 197,563,762.43 is: 272,638,139.89
Step by Step Solution
- Step 1: Write the proportion equation
364,827,317.84 : 503,461,971.43 = 197,563,762.43 : x - Step 2: Convert to fraction form
364,827,317.84/503,461,971.43 = 197,563,762.43/x - Step 3: Cross multiply
364,827,317.84x = 503,461,971.43 × 197,563,762.43 - Step 4: Simplify right side
364,827,317.84x = 99,465,841,316,900,720 - Step 5: Solve for x
x = 99,465,841,316,900,720/364,827,317.84 - Step 6: Final answer
x = 272,638,139.89
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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.