Finding the Fourth Proportional to 354,825,631.80, 532,238,447.70 and 328,283,551.80
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Solution
The fourth proportional to 354,825,631.80, 532,238,447.70 and 328,283,551.80 is: 492,425,327.70
Step by Step Solution
- Step 1: Write the proportion equation
354,825,631.80 : 532,238,447.70 = 328,283,551.80 : x - Step 2: Convert to fraction form
354,825,631.80/532,238,447.70 = 328,283,551.80/x - Step 3: Cross multiply
354,825,631.80x = 532,238,447.70 × 328,283,551.80 - Step 4: Simplify right side
354,825,631.80x = 174,725,128,015,474,528 - Step 5: Solve for x
x = 174,725,128,015,474,528/354,825,631.80 - Step 6: Final answer
x = 492,425,327.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.