Finding the Fourth Proportional to 751,910,136.04, 1,127,589,639.90 and 260,496,484.84
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Solution
The fourth proportional to 751,910,136.04, 1,127,589,639.90 and 260,496,484.84 is: 390,649,259.08
Step by Step Solution
- Step 1: Write the proportion equation
751,910,136.04 : 1,127,589,639.90 = 260,496,484.84 : x - Step 2: Convert to fraction form
751,910,136.04/1,127,589,639.90 = 260,496,484.84/x - Step 3: Cross multiply
751,910,136.04x = 1,127,589,639.90 × 260,496,484.84 - Step 4: Simplify right side
751,910,136.04x = 293,733,137,535,951,424 - Step 5: Solve for x
x = 293,733,137,535,951,424/751,910,136.04 - Step 6: Final answer
x = 390,649,259.08
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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.