Finding the Fourth Proportional to 1,119,745,497.60, 1,679,618,246.40 and 301,940,467.20
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Solution
The fourth proportional to 1,119,745,497.60, 1,679,618,246.40 and 301,940,467.20 is: 452,910,700.80
Step by Step Solution
- Step 1: Write the proportion equation
1,119,745,497.60 : 1,679,618,246.40 = 301,940,467.20 : x - Step 2: Convert to fraction form
1,119,745,497.60/1,679,618,246.40 = 301,940,467.20/x - Step 3: Cross multiply
1,119,745,497.60x = 1,679,618,246.40 × 301,940,467.20 - Step 4: Simplify right side
1,119,745,497.60x = 507,144,718,035,660,736 - Step 5: Solve for x
x = 507,144,718,035,660,736/1,119,745,497.60 - Step 6: Final answer
x = 452,910,700.80
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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.