Finding the Fourth Proportional to 383,467,403.40, 575,201,105.10 and 266,125,230.60
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Solution
The fourth proportional to 383,467,403.40, 575,201,105.10 and 266,125,230.60 is: 399,187,845.90
Step by Step Solution
- Step 1: Write the proportion equation
383,467,403.40 : 575,201,105.10 = 266,125,230.60 : x - Step 2: Convert to fraction form
383,467,403.40/575,201,105.10 = 266,125,230.60/x - Step 3: Cross multiply
383,467,403.40x = 575,201,105.10 × 266,125,230.60 - Step 4: Simplify right side
383,467,403.40x = 153,075,526,736,112,352 - Step 5: Solve for x
x = 153,075,526,736,112,352/383,467,403.40 - Step 6: Final answer
x = 399,187,845.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.