Finding the Fourth Proportional to 1,637,245,855.80, 2,455,868,783.70 and 1,249,825,366.80
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Solution
The fourth proportional to 1,637,245,855.80, 2,455,868,783.70 and 1,249,825,366.80 is: 1,874,738,050.20
Step by Step Solution
- Step 1: Write the proportion equation
1,637,245,855.80 : 2,455,868,783.70 = 1,249,825,366.80 : x - Step 2: Convert to fraction form
1,637,245,855.80/2,455,868,783.70 = 1,249,825,366.80/x - Step 3: Cross multiply
1,637,245,855.80x = 2,455,868,783.70 × 1,249,825,366.80 - Step 4: Simplify right side
1,637,245,855.80x = 3,069,407,103,400,522,240 - Step 5: Solve for x
x = 3,069,407,103,400,522,240/1,637,245,855.80 - Step 6: Final answer
x = 1,874,738,050.20
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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.