Finding the Fourth Proportional to 319,129,452.16, 478,023,806.56 and 202,484,766.68
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Solution
The fourth proportional to 319,129,452.16, 478,023,806.56 and 202,484,766.68 is: 303,301,805.22
Step by Step Solution
- Step 1: Write the proportion equation
319,129,452.16 : 478,023,806.56 = 202,484,766.68 : x - Step 2: Convert to fraction form
319,129,452.16/478,023,806.56 = 202,484,766.68/x - Step 3: Cross multiply
319,129,452.16x = 478,023,806.56 × 202,484,766.68 - Step 4: Simplify right side
319,129,452.16x = 96,792,538,938,787,056 - Step 5: Solve for x
x = 96,792,538,938,787,056/319,129,452.16 - Step 6: Final answer
x = 303,301,805.22
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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.