Finding the Fourth Proportional to 7,145,437,006.98, 10,716,373,531.98 and 2,102,289,955.56
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Solution
The fourth proportional to 7,145,437,006.98, 10,716,373,531.98 and 2,102,289,955.56 is: 3,152,910,649.73
Step by Step Solution
- Step 1: Write the proportion equation
7,145,437,006.98 : 10,716,373,531.98 = 2,102,289,955.56 : x - Step 2: Convert to fraction form
7,145,437,006.98/10,716,373,531.98 = 2,102,289,955.56/x - Step 3: Cross multiply
7,145,437,006.98x = 10,716,373,531.98 × 2,102,289,955.56 - Step 4: Simplify right side
7,145,437,006.98x = 22,528,924,436,310,593,536 - Step 5: Solve for x
x = 22,528,924,436,310,593,536/7,145,437,006.98 - Step 6: Final answer
x = 3,152,910,649.73
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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.