Finding the Fourth Proportional to 3,551,169,273.80, 5,326,753,910.70 and 1,918,582,521.80
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Solution
The fourth proportional to 3,551,169,273.80, 5,326,753,910.70 and 1,918,582,521.80 is: 2,877,873,782.70
Step by Step Solution
- Step 1: Write the proportion equation
3,551,169,273.80 : 5,326,753,910.70 = 1,918,582,521.80 : x - Step 2: Convert to fraction form
3,551,169,273.80/5,326,753,910.70 = 1,918,582,521.80/x - Step 3: Cross multiply
3,551,169,273.80x = 5,326,753,910.70 × 1,918,582,521.80 - Step 4: Simplify right side
3,551,169,273.80x = 10,219,816,950,998,816,768 - Step 5: Solve for x
x = 10,219,816,950,998,816,768/3,551,169,273.80 - Step 6: Final answer
x = 2,877,873,782.70
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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.