Finding the Fourth Proportional to 614,851,028.40, 922,276,542.60 and 555,542,212.80
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Solution
The fourth proportional to 614,851,028.40, 922,276,542.60 and 555,542,212.80 is: 833,313,319.20
Step by Step Solution
- Step 1: Write the proportion equation
614,851,028.40 : 922,276,542.60 = 555,542,212.80 : x - Step 2: Convert to fraction form
614,851,028.40/922,276,542.60 = 555,542,212.80/x - Step 3: Cross multiply
614,851,028.40x = 922,276,542.60 × 555,542,212.80 - Step 4: Simplify right side
614,851,028.40x = 512,363,551,289,537,408 - Step 5: Solve for x
x = 512,363,551,289,537,408/614,851,028.40 - Step 6: Final answer
x = 833,313,319.20
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.