Finding the Fourth Proportional to 286,898,660.19, 430,350,401.25 and 79,653,231.09
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Solution
The fourth proportional to 286,898,660.19, 430,350,401.25 and 79,653,231.09 is: 119,480,516.00
Step by Step Solution
- Step 1: Write the proportion equation
286,898,660.19 : 430,350,401.25 = 79,653,231.09 : x - Step 2: Convert to fraction form
286,898,660.19/430,350,401.25 = 79,653,231.09/x - Step 3: Cross multiply
286,898,660.19x = 430,350,401.25 × 79,653,231.09 - Step 4: Simplify right side
286,898,660.19x = 34,278,799,960,440,476 - Step 5: Solve for x
x = 34,278,799,960,440,476/286,898,660.19 - Step 6: Final answer
x = 119,480,516.00
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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.