Finding the Fourth Proportional to 364,827,318.84, 503,461,972.81 and 197,563,763.43
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Solution
The fourth proportional to 364,827,318.84, 503,461,972.81 and 197,563,763.43 is: 272,638,141.27
Step by Step Solution
- Step 1: Write the proportion equation
364,827,318.84 : 503,461,972.81 = 197,563,763.43 : x - Step 2: Convert to fraction form
364,827,318.84/503,461,972.81 = 197,563,763.43/x - Step 3: Cross multiply
364,827,318.84x = 503,461,972.81 × 197,563,763.43 - Step 4: Simplify right side
364,827,318.84x = 99,465,842,092,235,936 - Step 5: Solve for x
x = 99,465,842,092,235,936/364,827,318.84 - Step 6: Final answer
x = 272,638,141.27
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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.