Finding the Fourth Proportional to 1,246,521,710.40, 1,869,782,565.60 and 1,198,904,596.80
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Solution
The fourth proportional to 1,246,521,710.40, 1,869,782,565.60 and 1,198,904,596.80 is: 1,798,356,895.20
Step by Step Solution
- Step 1: Write the proportion equation
1,246,521,710.40 : 1,869,782,565.60 = 1,198,904,596.80 : x - Step 2: Convert to fraction form
1,246,521,710.40/1,869,782,565.60 = 1,198,904,596.80/x - Step 3: Cross multiply
1,246,521,710.40x = 1,869,782,565.60 × 1,198,904,596.80 - Step 4: Simplify right side
1,246,521,710.40x = 2,241,690,912,914,337,280 - Step 5: Solve for x
x = 2,241,690,912,914,337,280/1,246,521,710.40 - Step 6: Final answer
x = 1,798,356,895.20
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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.