Finding the Fourth Proportional to 736,801,007.40, 1,105,201,511.10 and 349,380,518.40
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Solution
The fourth proportional to 736,801,007.40, 1,105,201,511.10 and 349,380,518.40 is: 524,070,777.60
Step by Step Solution
- Step 1: Write the proportion equation
736,801,007.40 : 1,105,201,511.10 = 349,380,518.40 : x - Step 2: Convert to fraction form
736,801,007.40/1,105,201,511.10 = 349,380,518.40/x - Step 3: Cross multiply
736,801,007.40x = 1,105,201,511.10 × 349,380,518.40 - Step 4: Simplify right side
736,801,007.40x = 386,135,876,884,581,312 - Step 5: Solve for x
x = 386,135,876,884,581,312/736,801,007.40 - Step 6: Final answer
x = 524,070,777.60
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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.