Finding the Fourth Proportional to 526,966,583.07, 726,975,421.14 and 318,055,944.99
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Solution
The fourth proportional to 526,966,583.07, 726,975,421.14 and 318,055,944.99 is: 438,773,277.06
Step by Step Solution
- Step 1: Write the proportion equation
526,966,583.07 : 726,975,421.14 = 318,055,944.99 : x - Step 2: Convert to fraction form
526,966,583.07/726,975,421.14 = 318,055,944.99/x - Step 3: Cross multiply
526,966,583.07x = 726,975,421.14 × 318,055,944.99 - Step 4: Simplify right side
526,966,583.07x = 231,218,854,555,185,920 - Step 5: Solve for x
x = 231,218,854,555,185,920/526,966,583.07 - Step 6: Final answer
x = 438,773,277.06
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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.