Finding the Fourth Proportional to 7,243,344,148.70, 10,865,016,223.05 and 6,967,845,134.30
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Solution
The fourth proportional to 7,243,344,148.70, 10,865,016,223.05 and 6,967,845,134.30 is: 10,451,767,701.45
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,148.70 : 10,865,016,223.05 = 6,967,845,134.30 : x - Step 2: Convert to fraction form
7,243,344,148.70/10,865,016,223.05 = 6,967,845,134.30/x - Step 3: Cross multiply
7,243,344,148.70x = 10,865,016,223.05 × 6,967,845,134.30 - Step 4: Simplify right side
7,243,344,148.70x = 75,705,750,423,869,505,536 - Step 5: Solve for x
x = 75,705,750,423,869,505,536/7,243,344,148.70 - Step 6: Final answer
x = 10,451,767,701.45
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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.