Finding the Fourth Proportional to 7,130,593,126.60, 10,695,889,689.90 and 3,450,470,489.80
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Solution
The fourth proportional to 7,130,593,126.60, 10,695,889,689.90 and 3,450,470,489.80 is: 5,175,705,734.70
Step by Step Solution
- Step 1: Write the proportion equation
7,130,593,126.60 : 10,695,889,689.90 = 3,450,470,489.80 : x - Step 2: Convert to fraction form
7,130,593,126.60/10,695,889,689.90 = 3,450,470,489.80/x - Step 3: Cross multiply
7,130,593,126.60x = 10,695,889,689.90 × 3,450,470,489.80 - Step 4: Simplify right side
7,130,593,126.60x = 36,905,851,737,156,026,368 - Step 5: Solve for x
x = 36,905,851,737,156,026,368/7,130,593,126.60 - Step 6: Final answer
x = 5,175,705,734.70
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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.