Finding the Fourth Proportional to 980,330,130.66, 1,470,494,297.52 and 307,290,054.62
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Solution
The fourth proportional to 980,330,130.66, 1,470,494,297.52 and 307,290,054.62 is: 460,934,800.30
Step by Step Solution
- Step 1: Write the proportion equation
980,330,130.66 : 1,470,494,297.52 = 307,290,054.62 : x - Step 2: Convert to fraction form
980,330,130.66/1,470,494,297.52 = 307,290,054.62/x - Step 3: Cross multiply
980,330,130.66x = 1,470,494,297.52 × 307,290,054.62 - Step 4: Simplify right side
980,330,130.66x = 451,868,273,003,319,360 - Step 5: Solve for x
x = 451,868,273,003,319,360/980,330,130.66 - Step 6: Final answer
x = 460,934,800.30
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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.