Finding the Fourth Proportional to 443,232,070.80, 664,848,106.20 and 201,367,366.80
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Solution
The fourth proportional to 443,232,070.80, 664,848,106.20 and 201,367,366.80 is: 302,051,050.20
Step by Step Solution
- Step 1: Write the proportion equation
443,232,070.80 : 664,848,106.20 = 201,367,366.80 : x - Step 2: Convert to fraction form
443,232,070.80/664,848,106.20 = 201,367,366.80/x - Step 3: Cross multiply
443,232,070.80x = 664,848,106.20 × 201,367,366.80 - Step 4: Simplify right side
443,232,070.80x = 133,878,712,467,460,768 - Step 5: Solve for x
x = 133,878,712,467,460,768/443,232,070.80 - Step 6: Final answer
x = 302,051,050.20
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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.