Finding the Fourth Proportional to 1,172,667,598.19, 1,758,999,911.82 and 299,268,986.09
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Solution
The fourth proportional to 1,172,667,598.19, 1,758,999,911.82 and 299,268,986.09 is: 448,903,100.03
Step by Step Solution
- Step 1: Write the proportion equation
1,172,667,598.19 : 1,758,999,911.82 = 299,268,986.09 : x - Step 2: Convert to fraction form
1,172,667,598.19/1,758,999,911.82 = 299,268,986.09/x - Step 3: Cross multiply
1,172,667,598.19x = 1,758,999,911.82 × 299,268,986.09 - Step 4: Simplify right side
1,172,667,598.19x = 526,414,120,133,975,744 - Step 5: Solve for x
x = 526,414,120,133,975,744/1,172,667,598.19 - Step 6: Final answer
x = 448,903,100.03
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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.