Finding the Fourth Proportional to 623,371,674.99, 933,193,334.57 and 376,982,636.43
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Solution
The fourth proportional to 623,371,674.99, 933,193,334.57 and 376,982,636.43 is: 564,346,597.19
Step by Step Solution
- Step 1: Write the proportion equation
623,371,674.99 : 933,193,334.57 = 376,982,636.43 : x - Step 2: Convert to fraction form
623,371,674.99/933,193,334.57 = 376,982,636.43/x - Step 3: Cross multiply
623,371,674.99x = 933,193,334.57 × 376,982,636.43 - Step 4: Simplify right side
623,371,674.99x = 351,797,683,563,216,768 - Step 5: Solve for x
x = 351,797,683,563,216,768/623,371,674.99 - Step 6: Final answer
x = 564,346,597.19
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.