Finding the Fourth Proportional to 732,676,638.70, 1,099,014,958.05 and 727,574,805.10
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Solution
The fourth proportional to 732,676,638.70, 1,099,014,958.05 and 727,574,805.10 is: 1,091,362,207.65
Step by Step Solution
- Step 1: Write the proportion equation
732,676,638.70 : 1,099,014,958.05 = 727,574,805.10 : x - Step 2: Convert to fraction form
732,676,638.70/1,099,014,958.05 = 727,574,805.10/x - Step 3: Cross multiply
732,676,638.70x = 1,099,014,958.05 × 727,574,805.10 - Step 4: Simplify right side
732,676,638.70x = 799,615,593,905,213,440 - Step 5: Solve for x
x = 799,615,593,905,213,440/732,676,638.70 - Step 6: Final answer
x = 1,091,362,207.65
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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.