Finding the Fourth Proportional to 756,175,349.20, 1,134,263,023.80 and 603,120,341.20
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Solution
The fourth proportional to 756,175,349.20, 1,134,263,023.80 and 603,120,341.20 is: 904,680,511.80
Step by Step Solution
- Step 1: Write the proportion equation
756,175,349.20 : 1,134,263,023.80 = 603,120,341.20 : x - Step 2: Convert to fraction form
756,175,349.20/1,134,263,023.80 = 603,120,341.20/x - Step 3: Cross multiply
756,175,349.20x = 1,134,263,023.80 × 603,120,341.20 - Step 4: Simplify right side
756,175,349.20x = 684,097,101,924,799,744 - Step 5: Solve for x
x = 684,097,101,924,799,744/756,175,349.20 - Step 6: Final answer
x = 904,680,511.80
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Double scale
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Similar ratio
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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.