Finding the Fourth Proportional to 454,167,824.87, 626,751,850.23 and 245,323,968.66
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Solution
The fourth proportional to 454,167,824.87, 626,751,850.23 and 245,323,968.66 is: 338,547,212.82
Step by Step Solution
- Step 1: Write the proportion equation
454,167,824.87 : 626,751,850.23 = 245,323,968.66 : x - Step 2: Convert to fraction form
454,167,824.87/626,751,850.23 = 245,323,968.66/x - Step 3: Cross multiply
454,167,824.87x = 626,751,850.23 × 245,323,968.66 - Step 4: Simplify right side
454,167,824.87x = 153,757,251,263,421,536 - Step 5: Solve for x
x = 153,757,251,263,421,536/454,167,824.87 - Step 6: Final answer
x = 338,547,212.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.