Finding the Fourth Proportional to 2,873,852,997.80, 4,310,779,496.70 and 1,955,522,949.80
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Solution
The fourth proportional to 2,873,852,997.80, 4,310,779,496.70 and 1,955,522,949.80 is: 2,933,284,424.70
Step by Step Solution
- Step 1: Write the proportion equation
2,873,852,997.80 : 4,310,779,496.70 = 1,955,522,949.80 : x - Step 2: Convert to fraction form
2,873,852,997.80/4,310,779,496.70 = 1,955,522,949.80/x - Step 3: Cross multiply
2,873,852,997.80x = 4,310,779,496.70 × 1,955,522,949.80 - Step 4: Simplify right side
2,873,852,997.80x = 8,429,828,237,324,142,592 - Step 5: Solve for x
x = 8,429,828,237,324,142,592/2,873,852,997.80 - Step 6: Final answer
x = 2,933,284,424.70
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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.