Finding the Fourth Proportional to 7,130,593,153.60, 10,695,889,730.40 and 3,450,470,516.80
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Solution
The fourth proportional to 7,130,593,153.60, 10,695,889,730.40 and 3,450,470,516.80 is: 5,175,705,775.20
Step by Step Solution
- Step 1: Write the proportion equation
7,130,593,153.60 : 10,695,889,730.40 = 3,450,470,516.80 : x - Step 2: Convert to fraction form
7,130,593,153.60/10,695,889,730.40 = 3,450,470,516.80/x - Step 3: Cross multiply
7,130,593,153.60x = 10,695,889,730.40 × 3,450,470,516.80 - Step 4: Simplify right side
7,130,593,153.60x = 36,905,852,165,689,098,240 - Step 5: Solve for x
x = 36,905,852,165,689,098,240/7,130,593,153.60 - Step 6: Final answer
x = 5,175,705,775.20
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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.