Finding the Fourth Proportional to 1,112,681,176.80, 1,670,120,220.24 and 835,367,866.08
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Solution
The fourth proportional to 1,112,681,176.80, 1,670,120,220.24 and 835,367,866.08 is: 1,253,876,486.43
Step by Step Solution
- Step 1: Write the proportion equation
1,112,681,176.80 : 1,670,120,220.24 = 835,367,866.08 : x - Step 2: Convert to fraction form
1,112,681,176.80/1,670,120,220.24 = 835,367,866.08/x - Step 3: Cross multiply
1,112,681,176.80x = 1,670,120,220.24 × 835,367,866.08 - Step 4: Simplify right side
1,112,681,176.80x = 1,395,164,764,478,948,608 - Step 5: Solve for x
x = 1,395,164,764,478,948,608/1,112,681,176.80 - Step 6: Final answer
x = 1,253,876,486.43
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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.