Finding the Fourth Proportional to 299,592,237,927.36, 449,340,520,098.70 and 87,306,714,515.12
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Solution
The fourth proportional to 299,592,237,927.36, 449,340,520,098.70 and 87,306,714,515.12 is: 130,946,131,247.39
Step by Step Solution
- Step 1: Write the proportion equation
299,592,237,927.36 : 449,340,520,098.70 = 87,306,714,515.12 : x - Step 2: Convert to fraction form
299,592,237,927.36/449,340,520,098.70 = 87,306,714,515.12/x - Step 3: Cross multiply
299,592,237,927.36x = 449,340,520,098.70 × 87,306,714,515.12 - Step 4: Simplify right side
299,592,237,927.36x = 39,230,444,508,334,537,048,064 - Step 5: Solve for x
x = 39,230,444,508,334,537,048,064/299,592,237,927.36 - Step 6: Final answer
x = 130,946,131,247.39
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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.