Finding the Fourth Proportional to 575,209,216.80, 862,813,825.20 and 479,549,836.80
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Solution
The fourth proportional to 575,209,216.80, 862,813,825.20 and 479,549,836.80 is: 719,324,755.20
Step by Step Solution
- Step 1: Write the proportion equation
575,209,216.80 : 862,813,825.20 = 479,549,836.80 : x - Step 2: Convert to fraction form
575,209,216.80/862,813,825.20 = 479,549,836.80/x - Step 3: Cross multiply
575,209,216.80x = 862,813,825.20 × 479,549,836.80 - Step 4: Simplify right side
575,209,216.80x = 413,762,229,063,443,776 - Step 5: Solve for x
x = 413,762,229,063,443,776/575,209,216.80 - Step 6: Final answer
x = 719,324,755.20
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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.