Finding the Fourth Proportional to 1,259,723,136.30, 1,889,584,704.45 and 569,652,902.70
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Solution
The fourth proportional to 1,259,723,136.30, 1,889,584,704.45 and 569,652,902.70 is: 854,479,354.05
Step by Step Solution
- Step 1: Write the proportion equation
1,259,723,136.30 : 1,889,584,704.45 = 569,652,902.70 : x - Step 2: Convert to fraction form
1,259,723,136.30/1,889,584,704.45 = 569,652,902.70/x - Step 3: Cross multiply
1,259,723,136.30x = 1,889,584,704.45 × 569,652,902.70 - Step 4: Simplify right side
1,259,723,136.30x = 1,076,407,411,787,464,192 - Step 5: Solve for x
x = 1,076,407,411,787,464,192/1,259,723,136.30 - Step 6: Final answer
x = 854,479,354.05
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Double scale
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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.