Finding the Fourth Proportional to 934,382,670.40, 1,401,574,005.60 and 782,461,403.20
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Solution
The fourth proportional to 934,382,670.40, 1,401,574,005.60 and 782,461,403.20 is: 1,173,692,104.80
Step by Step Solution
- Step 1: Write the proportion equation
934,382,670.40 : 1,401,574,005.60 = 782,461,403.20 : x - Step 2: Convert to fraction form
934,382,670.40/1,401,574,005.60 = 782,461,403.20/x - Step 3: Cross multiply
934,382,670.40x = 1,401,574,005.60 × 782,461,403.20 - Step 4: Simplify right side
934,382,670.40x = 1,096,677,563,110,420,608 - Step 5: Solve for x
x = 1,096,677,563,110,420,608/934,382,670.40 - Step 6: Final answer
x = 1,173,692,104.80
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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.