Finding the Fourth Proportional to 472,393,693.05, 708,590,539.58 and 242,811,181.05
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Solution
The fourth proportional to 472,393,693.05, 708,590,539.58 and 242,811,181.05 is: 364,216,771.58
Step by Step Solution
- Step 1: Write the proportion equation
472,393,693.05 : 708,590,539.58 = 242,811,181.05 : x - Step 2: Convert to fraction form
472,393,693.05/708,590,539.58 = 242,811,181.05/x - Step 3: Cross multiply
472,393,693.05x = 708,590,539.58 × 242,811,181.05 - Step 4: Simplify right side
472,393,693.05x = 172,053,705,795,062,528 - Step 5: Solve for x
x = 172,053,705,795,062,528/472,393,693.05 - Step 6: Final answer
x = 364,216,771.58
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1.5x scale
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.