Finding the Fourth Proportional to 545,083,763.87, 752,218,650.26 and 310,134,419.48
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Solution
The fourth proportional to 545,083,763.87, 752,218,650.26 and 310,134,419.48 is: 427,987,237.71
Step by Step Solution
- Step 1: Write the proportion equation
545,083,763.87 : 752,218,650.26 = 310,134,419.48 : x - Step 2: Convert to fraction form
545,083,763.87/752,218,650.26 = 310,134,419.48/x - Step 3: Cross multiply
545,083,763.87x = 752,218,650.26 × 310,134,419.48 - Step 4: Simplify right side
545,083,763.87x = 233,288,894,415,102,496 - Step 5: Solve for x
x = 233,288,894,415,102,496/545,083,763.87 - Step 6: Final answer
x = 427,987,237.71
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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.