Finding the Fourth Proportional to 375,694,289.29, 518,399,651.06 and 214,755,975.23
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Solution
The fourth proportional to 375,694,289.29, 518,399,651.06 and 214,755,975.23 is: 296,329,823.99
Step by Step Solution
- Step 1: Write the proportion equation
375,694,289.29 : 518,399,651.06 = 214,755,975.23 : x - Step 2: Convert to fraction form
375,694,289.29/518,399,651.06 = 214,755,975.23/x - Step 3: Cross multiply
375,694,289.29x = 518,399,651.06 × 214,755,975.23 - Step 4: Simplify right side
375,694,289.29x = 111,329,422,619,421,552 - Step 5: Solve for x
x = 111,329,422,619,421,552/375,694,289.29 - Step 6: Final answer
x = 296,329,823.99
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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.