Finding the Fourth Proportional to 331,956,862.04, 457,674,539.76 and 272,197,961.84
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Solution
The fourth proportional to 331,956,862.04, 457,674,539.76 and 272,197,961.84 is: 375,283,933.41
Step by Step Solution
- Step 1: Write the proportion equation
331,956,862.04 : 457,674,539.76 = 272,197,961.84 : x - Step 2: Convert to fraction form
331,956,862.04/457,674,539.76 = 272,197,961.84/x - Step 3: Cross multiply
331,956,862.04x = 457,674,539.76 × 272,197,961.84 - Step 4: Simplify right side
331,956,862.04x = 124,578,076,908,732,032 - Step 5: Solve for x
x = 124,578,076,908,732,032/331,956,862.04 - Step 6: Final answer
x = 375,283,933.41
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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.