Finding the Fourth Proportional to 1,747,358,724.80, 2,621,038,087.20 and 829,028,676.80
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Solution
The fourth proportional to 1,747,358,724.80, 2,621,038,087.20 and 829,028,676.80 is: 1,243,543,015.20
Step by Step Solution
- Step 1: Write the proportion equation
1,747,358,724.80 : 2,621,038,087.20 = 829,028,676.80 : x - Step 2: Convert to fraction form
1,747,358,724.80/2,621,038,087.20 = 829,028,676.80/x - Step 3: Cross multiply
1,747,358,724.80x = 2,621,038,087.20 × 829,028,676.80 - Step 4: Simplify right side
1,747,358,724.80x = 2,172,915,737,273,818,624 - Step 5: Solve for x
x = 2,172,915,737,273,818,624/1,747,358,724.80 - Step 6: Final answer
x = 1,243,543,015.20
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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.