Finding the Fourth Proportional to 451,242,264.07, 622,565,470.99 and 272,559,387.30
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Solution
The fourth proportional to 451,242,264.07, 622,565,470.99 and 272,559,387.30 is: 376,042,044.02
Step by Step Solution
- Step 1: Write the proportion equation
451,242,264.07 : 622,565,470.99 = 272,559,387.30 : x - Step 2: Convert to fraction form
451,242,264.07/622,565,470.99 = 272,559,387.30/x - Step 3: Cross multiply
451,242,264.07x = 622,565,470.99 × 272,559,387.30 - Step 4: Simplify right side
451,242,264.07x = 169,686,063,327,170,336 - Step 5: Solve for x
x = 169,686,063,327,170,336/451,242,264.07 - Step 6: Final answer
x = 376,042,044.02
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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.