Finding the Fourth Proportional to 447,102,739.80, 670,654,109.70 and 201,736,430.10
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Solution
The fourth proportional to 447,102,739.80, 670,654,109.70 and 201,736,430.10 is: 302,604,645.15
Step by Step Solution
- Step 1: Write the proportion equation
447,102,739.80 : 670,654,109.70 = 201,736,430.10 : x - Step 2: Convert to fraction form
447,102,739.80/670,654,109.70 = 201,736,430.10/x - Step 3: Cross multiply
447,102,739.80x = 670,654,109.70 × 201,736,430.10 - Step 4: Simplify right side
447,102,739.80x = 135,295,365,922,771,792 - Step 5: Solve for x
x = 135,295,365,922,771,792/447,102,739.80 - Step 6: Final answer
x = 302,604,645.15
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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.