Finding the Fourth Proportional to 1,348,016,821.90, 2,022,963,890.28 and 474,688,534.42
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Solution
The fourth proportional to 1,348,016,821.90, 2,022,963,890.28 and 474,688,534.42 is: 712,363,338.99
Step by Step Solution
- Step 1: Write the proportion equation
1,348,016,821.90 : 2,022,963,890.28 = 474,688,534.42 : x - Step 2: Convert to fraction form
1,348,016,821.90/2,022,963,890.28 = 474,688,534.42/x - Step 3: Cross multiply
1,348,016,821.90x = 2,022,963,890.28 × 474,688,534.42 - Step 4: Simplify right side
1,348,016,821.90x = 960,277,764,261,594,880 - Step 5: Solve for x
x = 960,277,764,261,594,880/1,348,016,821.90 - Step 6: Final answer
x = 712,363,338.99
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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.