Finding the Fourth Proportional to 327,564,209.40, 491,346,314.10 and 302,621,911.80
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Solution
The fourth proportional to 327,564,209.40, 491,346,314.10 and 302,621,911.80 is: 453,932,867.70
Step by Step Solution
- Step 1: Write the proportion equation
327,564,209.40 : 491,346,314.10 = 302,621,911.80 : x - Step 2: Convert to fraction form
327,564,209.40/491,346,314.10 = 302,621,911.80/x - Step 3: Cross multiply
327,564,209.40x = 491,346,314.10 × 302,621,911.80 - Step 4: Simplify right side
327,564,209.40x = 148,692,160,928,825,312 - Step 5: Solve for x
x = 148,692,160,928,825,312/327,564,209.40 - Step 6: Final answer
x = 453,932,867.70
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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.