Finding the Fourth Proportional to 317,014,715.70, 475,522,073.55 and 144,827,831.70
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Solution
The fourth proportional to 317,014,715.70, 475,522,073.55 and 144,827,831.70 is: 217,241,747.55
Step by Step Solution
- Step 1: Write the proportion equation
317,014,715.70 : 475,522,073.55 = 144,827,831.70 : x - Step 2: Convert to fraction form
317,014,715.70/475,522,073.55 = 144,827,831.70/x - Step 3: Cross multiply
317,014,715.70x = 475,522,073.55 × 144,827,831.70 - Step 4: Simplify right side
317,014,715.70x = 68,868,830,837,734,416 - Step 5: Solve for x
x = 68,868,830,837,734,416/317,014,715.70 - Step 6: Final answer
x = 217,241,747.55
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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.