Finding the Fourth Proportional to 532,848,014.40, 799,272,021.60 and 509,889,763.20
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Solution
The fourth proportional to 532,848,014.40, 799,272,021.60 and 509,889,763.20 is: 764,834,644.80
Step by Step Solution
- Step 1: Write the proportion equation
532,848,014.40 : 799,272,021.60 = 509,889,763.20 : x - Step 2: Convert to fraction form
532,848,014.40/799,272,021.60 = 509,889,763.20/x - Step 3: Cross multiply
532,848,014.40x = 799,272,021.60 × 509,889,763.20 - Step 4: Simplify right side
532,848,014.40x = 407,540,621,826,009,280 - Step 5: Solve for x
x = 407,540,621,826,009,280/532,848,014.40 - Step 6: Final answer
x = 764,834,644.80
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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.