Finding the Fourth Proportional to 614,565,529.70, 921,848,294.55 and 614,565,529.70
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Solution
The fourth proportional to 614,565,529.70, 921,848,294.55 and 614,565,529.70 is: 921,848,294.55
Step by Step Solution
- Step 1: Write the proportion equation
614,565,529.70 : 921,848,294.55 = 614,565,529.70 : x - Step 2: Convert to fraction form
614,565,529.70/921,848,294.55 = 614,565,529.70/x - Step 3: Cross multiply
614,565,529.70x = 921,848,294.55 × 614,565,529.70 - Step 4: Simplify right side
614,565,529.70x = 566,536,185,443,162,368 - Step 5: Solve for x
x = 566,536,185,443,162,368/614,565,529.70 - Step 6: Final answer
x = 921,848,294.55
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Double scale
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Similar ratio
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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.