Finding the Fourth Proportional to 431,569,201.80, 646,609,785.30 and 201,065,525.40
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Solution
The fourth proportional to 431,569,201.80, 646,609,785.30 and 201,065,525.40 is: 301,251,654.82
Step by Step Solution
- Step 1: Write the proportion equation
431,569,201.80 : 646,609,785.30 = 201,065,525.40 : x - Step 2: Convert to fraction form
431,569,201.80/646,609,785.30 = 201,065,525.40/x - Step 3: Cross multiply
431,569,201.80x = 646,609,785.30 × 201,065,525.40 - Step 4: Simplify right side
431,569,201.80x = 130,010,936,210,125,696 - Step 5: Solve for x
x = 130,010,936,210,125,696/431,569,201.80 - Step 6: Final answer
x = 301,251,654.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.