Finding the Fourth Proportional to 286,898,652.69, 430,350,390 and 79,653,223.59
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Solution
The fourth proportional to 286,898,652.69, 430,350,390 and 79,653,223.59 is: 119,480,504.75
Step by Step Solution
- Step 1: Write the proportion equation
286,898,652.69 : 430,350,390 = 79,653,223.59 : x - Step 2: Convert to fraction form
286,898,652.69/430,350,390 = 79,653,223.59/x - Step 3: Cross multiply
286,898,652.69x = 430,350,390 × 79,653,223.59 - Step 4: Simplify right side
286,898,652.69x = 34,278,795,836,713,700 - Step 5: Solve for x
x = 34,278,795,836,713,700/286,898,652.69 - Step 6: Final answer
x = 119,480,504.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.