Finding the Fourth Proportional to 1,181,952,465.80, 1,772,928,698.70 and 746,595,998.60
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Solution
The fourth proportional to 1,181,952,465.80, 1,772,928,698.70 and 746,595,998.60 is: 1,119,893,997.90
Step by Step Solution
- Step 1: Write the proportion equation
1,181,952,465.80 : 1,772,928,698.70 = 746,595,998.60 : x - Step 2: Convert to fraction form
1,181,952,465.80/1,772,928,698.70 = 746,595,998.60/x - Step 3: Cross multiply
1,181,952,465.80x = 1,772,928,698.70 × 746,595,998.60 - Step 4: Simplify right side
1,181,952,465.80x = 1,323,661,472,252,525,056 - Step 5: Solve for x
x = 1,323,661,472,252,525,056/1,181,952,465.80 - Step 6: Final answer
x = 1,119,893,997.90
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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.