Finding the Fourth Proportional to 598,944,135.20, 898,416,202.80 and 168,122,631.20
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Solution
The fourth proportional to 598,944,135.20, 898,416,202.80 and 168,122,631.20 is: 252,183,946.80
Step by Step Solution
- Step 1: Write the proportion equation
598,944,135.20 : 898,416,202.80 = 168,122,631.20 : x - Step 2: Convert to fraction form
598,944,135.20/898,416,202.80 = 168,122,631.20/x - Step 3: Cross multiply
598,944,135.20x = 898,416,202.80 × 168,122,631.20 - Step 4: Simplify right side
598,944,135.20x = 151,044,095,927,448,800 - Step 5: Solve for x
x = 151,044,095,927,448,800/598,944,135.20 - Step 6: Final answer
x = 252,183,946.80
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1.5x scale
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.