Finding the Fourth Proportional to 623,824,718.30, 935,880,584.97 and 209,356,539.60
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Solution
The fourth proportional to 623,824,718.30, 935,880,584.97 and 209,356,539.60 is: 314,082,970.75
Step by Step Solution
- Step 1: Write the proportion equation
623,824,718.30 : 935,880,584.97 = 209,356,539.60 : x - Step 2: Convert to fraction form
623,824,718.30/935,880,584.97 = 209,356,539.60/x - Step 3: Cross multiply
623,824,718.30x = 935,880,584.97 × 209,356,539.60 - Step 4: Simplify right side
623,824,718.30x = 195,932,720,748,142,976 - Step 5: Solve for x
x = 195,932,720,748,142,976/623,824,718.30 - Step 6: Final answer
x = 314,082,970.75
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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.