Finding the Fourth Proportional to 313,636,550.81, 470,508,423.60 and 129,303,260.99
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Solution
The fourth proportional to 313,636,550.81, 470,508,423.60 and 129,303,260.99 is: 193,976,988.13
Step by Step Solution
- Step 1: Write the proportion equation
313,636,550.81 : 470,508,423.60 = 129,303,260.99 : x - Step 2: Convert to fraction form
313,636,550.81/470,508,423.60 = 129,303,260.99/x - Step 3: Cross multiply
313,636,550.81x = 470,508,423.60 × 129,303,260.99 - Step 4: Simplify right side
313,636,550.81x = 60,838,273,493,028,496 - Step 5: Solve for x
x = 60,838,273,493,028,496/313,636,550.81 - Step 6: Final answer
x = 193,976,988.13
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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.