Finding the Fourth Proportional to 1,945,450,554.24, 2,918,478,162.24 and 653,288,373.12
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Solution
The fourth proportional to 1,945,450,554.24, 2,918,478,162.24 and 653,288,373.12 is: 980,034,083.33
Step by Step Solution
- Step 1: Write the proportion equation
1,945,450,554.24 : 2,918,478,162.24 = 653,288,373.12 : x - Step 2: Convert to fraction form
1,945,450,554.24/2,918,478,162.24 = 653,288,373.12/x - Step 3: Cross multiply
1,945,450,554.24x = 2,918,478,162.24 × 653,288,373.12 - Step 4: Simplify right side
1,945,450,554.24x = 1,906,607,850,596,016,896 - Step 5: Solve for x
x = 1,906,607,850,596,016,896/1,945,450,554.24 - Step 6: Final answer
x = 980,034,083.33
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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.