Finding the Fourth Proportional to 1,073,544,905.70, 1,610,317,358.55 and 798,045,891.30
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Solution
The fourth proportional to 1,073,544,905.70, 1,610,317,358.55 and 798,045,891.30 is: 1,197,068,836.95
Step by Step Solution
- Step 1: Write the proportion equation
1,073,544,905.70 : 1,610,317,358.55 = 798,045,891.30 : x - Step 2: Convert to fraction form
1,073,544,905.70/1,610,317,358.55 = 798,045,891.30/x - Step 3: Cross multiply
1,073,544,905.70x = 1,610,317,358.55 × 798,045,891.30 - Step 4: Simplify right side
1,073,544,905.70x = 1,285,107,151,679,896,320 - Step 5: Solve for x
x = 1,285,107,151,679,896,320/1,073,544,905.70 - Step 6: Final answer
x = 1,197,068,836.95
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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.