Finding the Fourth Proportional to 667,345,987.91, 1,000,318,257.57 and 224,534,946.21
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Solution
The fourth proportional to 667,345,987.91, 1,000,318,257.57 and 224,534,946.21 is: 336,566,653.92
Step by Step Solution
- Step 1: Write the proportion equation
667,345,987.91 : 1,000,318,257.57 = 224,534,946.21 : x - Step 2: Convert to fraction form
667,345,987.91/1,000,318,257.57 = 224,534,946.21/x - Step 3: Cross multiply
667,345,987.91x = 1,000,318,257.57 × 224,534,946.21 - Step 4: Simplify right side
667,345,987.91x = 224,606,406,153,462,912 - Step 5: Solve for x
x = 224,606,406,153,462,912/667,345,987.91 - Step 6: Final answer
x = 336,566,653.92
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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.