Finding the Fourth Proportional to 331,307,129.13, 457,200,112.84 and 180,596,482.26
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Solution
The fourth proportional to 331,307,129.13, 457,200,112.84 and 180,596,482.26 is: 249,221,114.81
Step by Step Solution
- Step 1: Write the proportion equation
331,307,129.13 : 457,200,112.84 = 180,596,482.26 : x - Step 2: Convert to fraction form
331,307,129.13/457,200,112.84 = 180,596,482.26/x - Step 3: Cross multiply
331,307,129.13x = 457,200,112.84 × 180,596,482.26 - Step 4: Simplify right side
331,307,129.13x = 82,568,732,067,779,056 - Step 5: Solve for x
x = 82,568,732,067,779,056/331,307,129.13 - Step 6: Final answer
x = 249,221,114.81
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.