Finding the Fourth Proportional to 7,130,596,803.60, 10,695,895,205.40 and 3,450,474,166.80
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Solution
The fourth proportional to 7,130,596,803.60, 10,695,895,205.40 and 3,450,474,166.80 is: 5,175,711,250.20
Step by Step Solution
- Step 1: Write the proportion equation
7,130,596,803.60 : 10,695,895,205.40 = 3,450,474,166.80 : x - Step 2: Convert to fraction form
7,130,596,803.60/10,695,895,205.40 = 3,450,474,166.80/x - Step 3: Cross multiply
7,130,596,803.60x = 10,695,895,205.40 × 3,450,474,166.80 - Step 4: Simplify right side
7,130,596,803.60x = 36,905,910,097,032,683,520 - Step 5: Solve for x
x = 36,905,910,097,032,683,520/7,130,596,803.60 - Step 6: Final answer
x = 5,175,711,250.20
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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.