Finding the Fourth Proportional to 1,177,106,850.18, 1,765,047,188.79 and 555,155,087.76
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Solution
The fourth proportional to 1,177,106,850.18, 1,765,047,188.79 and 555,155,087.76 is: 832,443,483.65
Step by Step Solution
- Step 1: Write the proportion equation
1,177,106,850.18 : 1,765,047,188.79 = 555,155,087.76 : x - Step 2: Convert to fraction form
1,177,106,850.18/1,765,047,188.79 = 555,155,087.76/x - Step 3: Cross multiply
1,177,106,850.18x = 1,765,047,188.79 × 555,155,087.76 - Step 4: Simplify right side
1,177,106,850.18x = 979,874,926,993,253,760 - Step 5: Solve for x
x = 979,874,926,993,253,760/1,177,106,850.18 - Step 6: Final answer
x = 832,443,483.65
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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.