Finding the Fourth Proportional to 434,499,952.80, 651,749,929.20 and 378,379,783.20
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Solution
The fourth proportional to 434,499,952.80, 651,749,929.20 and 378,379,783.20 is: 567,569,674.80
Step by Step Solution
- Step 1: Write the proportion equation
434,499,952.80 : 651,749,929.20 = 378,379,783.20 : x - Step 2: Convert to fraction form
434,499,952.80/651,749,929.20 = 378,379,783.20/x - Step 3: Cross multiply
434,499,952.80x = 651,749,929.20 × 378,379,783.20 - Step 4: Simplify right side
434,499,952.80x = 246,608,996,911,311,360 - Step 5: Solve for x
x = 246,608,996,911,311,360/434,499,952.80 - Step 6: Final answer
x = 567,569,674.80
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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.