Finding the Fourth Proportional to 652,829,437.80, 979,244,156.70 and 652,829,437.80
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Solution
The fourth proportional to 652,829,437.80, 979,244,156.70 and 652,829,437.80 is: 979,244,156.70
Step by Step Solution
- Step 1: Write the proportion equation
652,829,437.80 : 979,244,156.70 = 652,829,437.80 : x - Step 2: Convert to fraction form
652,829,437.80/979,244,156.70 = 652,829,437.80/x - Step 3: Cross multiply
652,829,437.80x = 979,244,156.70 × 652,829,437.80 - Step 4: Simplify right side
652,829,437.80x = 639,279,412,287,396,096 - Step 5: Solve for x
x = 639,279,412,287,396,096/652,829,437.80 - Step 6: Final answer
x = 979,244,156.70
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Double scale
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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.