Finding the Fourth Proportional to 374,483,182.70, 516,825,690.99 and 215,718,792.50
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Solution
The fourth proportional to 374,483,182.70, 516,825,690.99 and 215,718,792.50 is: 297,714,341.11
Step by Step Solution
- Step 1: Write the proportion equation
374,483,182.70 : 516,825,690.99 = 215,718,792.50 : x - Step 2: Convert to fraction form
374,483,182.70/516,825,690.99 = 215,718,792.50/x - Step 3: Cross multiply
374,483,182.70x = 516,825,690.99 × 215,718,792.50 - Step 4: Simplify right side
374,483,182.70x = 111,489,013,993,824,048 - Step 5: Solve for x
x = 111,489,013,993,824,048/374,483,182.70 - Step 6: Final answer
x = 297,714,341.11
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.