Finding the Fourth Proportional to 349,478,468.51, 482,290,536.17 and 190,718,842.12
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Solution
The fourth proportional to 349,478,468.51, 482,290,536.17 and 190,718,842.12 is: 263,197,595.60
Step by Step Solution
- Step 1: Write the proportion equation
349,478,468.51 : 482,290,536.17 = 190,718,842.12 : x - Step 2: Convert to fraction form
349,478,468.51/482,290,536.17 = 190,718,842.12/x - Step 3: Cross multiply
349,478,468.51x = 482,290,536.17 × 190,718,842.12 - Step 4: Simplify right side
349,478,468.51x = 91,981,892,623,047,456 - Step 5: Solve for x
x = 91,981,892,623,047,456/349,478,468.51 - Step 6: Final answer
x = 263,197,595.60
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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.