Finding the Fourth Proportional to 1,589,746,489.34, 2,384,975,389.82 and 484,437,852.09
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Solution
The fourth proportional to 1,589,746,489.34, 2,384,975,389.82 and 484,437,852.09 is: 726,765,155.88
Step by Step Solution
- Step 1: Write the proportion equation
1,589,746,489.34 : 2,384,975,389.82 = 484,437,852.09 : x - Step 2: Convert to fraction form
1,589,746,489.34/2,384,975,389.82 = 484,437,852.09/x - Step 3: Cross multiply
1,589,746,489.34x = 2,384,975,389.82 × 484,437,852.09 - Step 4: Simplify right side
1,589,746,489.34x = 1,155,372,355,129,489,152 - Step 5: Solve for x
x = 1,155,372,355,129,489,152/1,589,746,489.34 - Step 6: Final answer
x = 726,765,155.88
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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.