Finding the Fourth Proportional to 354,294,912.60, 531,442,368.90 and 124,287,247.80
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Solution
The fourth proportional to 354,294,912.60, 531,442,368.90 and 124,287,247.80 is: 186,430,871.70
Step by Step Solution
- Step 1: Write the proportion equation
354,294,912.60 : 531,442,368.90 = 124,287,247.80 : x - Step 2: Convert to fraction form
354,294,912.60/531,442,368.90 = 124,287,247.80/x - Step 3: Cross multiply
354,294,912.60x = 531,442,368.90 × 124,287,247.80 - Step 4: Simplify right side
354,294,912.60x = 66,051,509,394,893,312 - Step 5: Solve for x
x = 66,051,509,394,893,312/354,294,912.60 - Step 6: Final answer
x = 186,430,871.70
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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.