Finding the Fourth Proportional to 1,070,102,697.04, 1,604,628,896.88 and 439,720,556.08
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Solution
The fourth proportional to 1,070,102,697.04, 1,604,628,896.88 and 439,720,556.08 is: 659,365,042.99
Step by Step Solution
- Step 1: Write the proportion equation
1,070,102,697.04 : 1,604,628,896.88 = 439,720,556.08 : x - Step 2: Convert to fraction form
1,070,102,697.04/1,604,628,896.88 = 439,720,556.08/x - Step 3: Cross multiply
1,070,102,697.04x = 1,604,628,896.88 × 439,720,556.08 - Step 4: Simplify right side
1,070,102,697.04x = 705,588,310,838,110,592 - Step 5: Solve for x
x = 705,588,310,838,110,592/1,070,102,697.04 - Step 6: Final answer
x = 659,365,042.99
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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.