Finding the Fourth Proportional to 405,455,119,226.80, 559,528,618,614.58 and 220,056,831,053.26
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Solution
The fourth proportional to 405,455,119,226.80, 559,528,618,614.58 and 220,056,831,053.26 is: 303,678,727,575.91
Step by Step Solution
- Step 1: Write the proportion equation
405,455,119,226.80 : 559,528,618,614.58 = 220,056,831,053.26 : x - Step 2: Convert to fraction form
405,455,119,226.80/559,528,618,614.58 = 220,056,831,053.26/x - Step 3: Cross multiply
405,455,119,226.80x = 559,528,618,614.58 × 220,056,831,053.26 - Step 4: Simplify right side
405,455,119,226.80x = 123,128,094,695,932,580,331,520 - Step 5: Solve for x
x = 123,128,094,695,932,580,331,520/405,455,119,226.80 - Step 6: Final answer
x = 303,678,727,575.91
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.