Finding the Fourth Proportional to 651,464,672.82, 899,027,636.60 and 354,106,731.46
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Solution
The fourth proportional to 651,464,672.82, 899,027,636.60 and 354,106,731.46 is: 488,670,761.70
Step by Step Solution
- Step 1: Write the proportion equation
651,464,672.82 : 899,027,636.60 = 354,106,731.46 : x - Step 2: Convert to fraction form
651,464,672.82/899,027,636.60 = 354,106,731.46/x - Step 3: Cross multiply
651,464,672.82x = 899,027,636.60 × 354,106,731.46 - Step 4: Simplify right side
651,464,672.82x = 318,351,737,888,634,688 - Step 5: Solve for x
x = 318,351,737,888,634,688/651,464,672.82 - Step 6: Final answer
x = 488,670,761.70
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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.