Finding the Fourth Proportional to 286,532,045.46, 395,410,440.33 and 159,371,866.26
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Solution
The fourth proportional to 286,532,045.46, 395,410,440.33 and 159,371,866.26 is: 219,931,071.63
Step by Step Solution
- Step 1: Write the proportion equation
286,532,045.46 : 395,410,440.33 = 159,371,866.26 : x - Step 2: Convert to fraction form
286,532,045.46/395,410,440.33 = 159,371,866.26/x - Step 3: Cross multiply
286,532,045.46x = 395,410,440.33 × 159,371,866.26 - Step 4: Simplify right side
286,532,045.46x = 63,017,299,814,080,464 - Step 5: Solve for x
x = 63,017,299,814,080,464/286,532,045.46 - Step 6: Final answer
x = 219,931,071.63
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.