Finding the Fourth Proportional to 296,742,619.92, 409,031,832.36 and 233,916,343.92
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Solution
The fourth proportional to 296,742,619.92, 409,031,832.36 and 233,916,343.92 is: 322,431,711.35
Step by Step Solution
- Step 1: Write the proportion equation
296,742,619.92 : 409,031,832.36 = 233,916,343.92 : x - Step 2: Convert to fraction form
296,742,619.92/409,031,832.36 = 233,916,343.92/x - Step 3: Cross multiply
296,742,619.92x = 409,031,832.36 × 233,916,343.92 - Step 4: Simplify right side
296,742,619.92x = 95,679,230,772,549,536 - Step 5: Solve for x
x = 95,679,230,772,549,536/296,742,619.92 - Step 6: Final answer
x = 322,431,711.35
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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.