Finding the Fourth Proportional to 3,451,259,989.80, 5,176,889,984.70 and 2,877,303,709.80
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Solution
The fourth proportional to 3,451,259,989.80, 5,176,889,984.70 and 2,877,303,709.80 is: 4,315,955,564.70
Step by Step Solution
- Step 1: Write the proportion equation
3,451,259,989.80 : 5,176,889,984.70 = 2,877,303,709.80 : x - Step 2: Convert to fraction form
3,451,259,989.80/5,176,889,984.70 = 2,877,303,709.80/x - Step 3: Cross multiply
3,451,259,989.80x = 5,176,889,984.70 × 2,877,303,709.80 - Step 4: Simplify right side
3,451,259,989.80x = 14,895,484,758,203,774,976 - Step 5: Solve for x
x = 14,895,484,758,203,774,976/3,451,259,989.80 - Step 6: Final answer
x = 4,315,955,564.70
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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.