Finding the Fourth Proportional to 5,445,877,175.20, 8,168,815,762.80 and 4,671,036,197.20
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Solution
The fourth proportional to 5,445,877,175.20, 8,168,815,762.80 and 4,671,036,197.20 is: 7,006,554,295.80
Step by Step Solution
- Step 1: Write the proportion equation
5,445,877,175.20 : 8,168,815,762.80 = 4,671,036,197.20 : x - Step 2: Convert to fraction form
5,445,877,175.20/8,168,815,762.80 = 4,671,036,197.20/x - Step 3: Cross multiply
5,445,877,175.20x = 8,168,815,762.80 × 4,671,036,197.20 - Step 4: Simplify right side
5,445,877,175.20x = 38,156,834,116,296,728,576 - Step 5: Solve for x
x = 38,156,834,116,296,728,576/5,445,877,175.20 - Step 6: Final answer
x = 7,006,554,295.80
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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.