Finding the Fourth Proportional to 314,928,396.90, 472,392,595.35 and 177,178,889.70
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Solution
The fourth proportional to 314,928,396.90, 472,392,595.35 and 177,178,889.70 is: 265,768,334.55
Step by Step Solution
- Step 1: Write the proportion equation
314,928,396.90 : 472,392,595.35 = 177,178,889.70 : x - Step 2: Convert to fraction form
314,928,396.90/472,392,595.35 = 177,178,889.70/x - Step 3: Cross multiply
314,928,396.90x = 472,392,595.35 × 177,178,889.70 - Step 4: Simplify right side
314,928,396.90x = 83,697,995,546,614,384 - Step 5: Solve for x
x = 83,697,995,546,614,384/314,928,396.90 - Step 6: Final answer
x = 265,768,334.55
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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.