Finding the Fourth Proportional to 1,346,356,756.80, 2,019,535,135.20 and 1,205,772,897.60
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Solution
The fourth proportional to 1,346,356,756.80, 2,019,535,135.20 and 1,205,772,897.60 is: 1,808,659,346.40
Step by Step Solution
- Step 1: Write the proportion equation
1,346,356,756.80 : 2,019,535,135.20 = 1,205,772,897.60 : x - Step 2: Convert to fraction form
1,346,356,756.80/2,019,535,135.20 = 1,205,772,897.60/x - Step 3: Cross multiply
1,346,356,756.80x = 2,019,535,135.20 × 1,205,772,897.60 - Step 4: Simplify right side
1,346,356,756.80x = 2,435,100,731,775,111,680 - Step 5: Solve for x
x = 2,435,100,731,775,111,680/1,346,356,756.80 - Step 6: Final answer
x = 1,808,659,346.40
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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.