Finding the Fourth Proportional to 545,083,762.37, 752,218,648.18 and 310,134,417.98
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Solution
The fourth proportional to 545,083,762.37, 752,218,648.18 and 310,134,417.98 is: 427,987,235.63
Step by Step Solution
- Step 1: Write the proportion equation
545,083,762.37 : 752,218,648.18 = 310,134,417.98 : x - Step 2: Convert to fraction form
545,083,762.37/752,218,648.18 = 310,134,417.98/x - Step 3: Cross multiply
545,083,762.37x = 752,218,648.18 × 310,134,417.98 - Step 4: Simplify right side
545,083,762.37x = 233,288,892,642,470,272 - Step 5: Solve for x
x = 233,288,892,642,470,272/545,083,762.37 - Step 6: Final answer
x = 427,987,235.63
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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.