Finding the Fourth Proportional to 474,621,612.68, 654,977,730.93 and 262,942,198.58
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Solution
The fourth proportional to 474,621,612.68, 654,977,730.93 and 262,942,198.58 is: 362,860,181.65
Step by Step Solution
- Step 1: Write the proportion equation
474,621,612.68 : 654,977,730.93 = 262,942,198.58 : x - Step 2: Convert to fraction form
474,621,612.68/654,977,730.93 = 262,942,198.58/x - Step 3: Cross multiply
474,621,612.68x = 654,977,730.93 × 262,942,198.58 - Step 4: Simplify right side
474,621,612.68x = 172,221,284,592,325,280 - Step 5: Solve for x
x = 172,221,284,592,325,280/474,621,612.68 - Step 6: Final answer
x = 362,860,181.65
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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.