Finding the Fourth Proportional to 442,563,115.80, 663,844,673.70 and 442,563,115.80
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Solution
The fourth proportional to 442,563,115.80, 663,844,673.70 and 442,563,115.80 is: 663,844,673.70
Step by Step Solution
- Step 1: Write the proportion equation
442,563,115.80 : 663,844,673.70 = 442,563,115.80 : x - Step 2: Convert to fraction form
442,563,115.80/663,844,673.70 = 442,563,115.80/x - Step 3: Cross multiply
442,563,115.80x = 663,844,673.70 × 442,563,115.80 - Step 4: Simplify right side
442,563,115.80x = 293,793,167,199,906,368 - Step 5: Solve for x
x = 293,793,167,199,906,368/442,563,115.80 - Step 6: Final answer
x = 663,844,673.70
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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.