Finding the Fourth Proportional to 719,676,864.68, 993,220,645.10 and 437,354,147.84
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Solution
The fourth proportional to 719,676,864.68, 993,220,645.10 and 437,354,147.84 is: 603,589,180.32
Step by Step Solution
- Step 1: Write the proportion equation
719,676,864.68 : 993,220,645.10 = 437,354,147.84 : x - Step 2: Convert to fraction form
719,676,864.68/993,220,645.10 = 437,354,147.84/x - Step 3: Cross multiply
719,676,864.68x = 993,220,645.10 × 437,354,147.84 - Step 4: Simplify right side
719,676,864.68x = 434,389,168,847,652,672 - Step 5: Solve for x
x = 434,389,168,847,652,672/719,676,864.68 - Step 6: Final answer
x = 603,589,180.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.