Finding the Fourth Proportional to 545,083,763.37, 752,218,649.56 and 310,134,418.98
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Solution
The fourth proportional to 545,083,763.37, 752,218,649.56 and 310,134,418.98 is: 427,987,237.02
Step by Step Solution
- Step 1: Write the proportion equation
545,083,763.37 : 752,218,649.56 = 310,134,418.98 : x - Step 2: Convert to fraction form
545,083,763.37/752,218,649.56 = 310,134,418.98/x - Step 3: Cross multiply
545,083,763.37x = 752,218,649.56 × 310,134,418.98 - Step 4: Simplify right side
545,083,763.37x = 233,288,893,827,210,816 - Step 5: Solve for x
x = 233,288,893,827,210,816/545,083,763.37 - Step 6: Final answer
x = 427,987,237.02
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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.