Finding the Fourth Proportional to 346,117,247.55, 477,565,440.84 and 204,918,356.12
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Solution
The fourth proportional to 346,117,247.55, 477,565,440.84 and 204,918,356.12 is: 282,742,122.12
Step by Step Solution
- Step 1: Write the proportion equation
346,117,247.55 : 477,565,440.84 = 204,918,356.12 : x - Step 2: Convert to fraction form
346,117,247.55/477,565,440.84 = 204,918,356.12/x - Step 3: Cross multiply
346,117,247.55x = 477,565,440.84 × 204,918,356.12 - Step 4: Simplify right side
346,117,247.55x = 97,861,925,074,268,080 - Step 5: Solve for x
x = 97,861,925,074,268,080/346,117,247.55 - Step 6: Final answer
x = 282,742,122.12
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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.