Finding the Fourth Proportional to 1,468,494,517.47, 2,202,095,386.41 and 778,240,050.99
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Solution
The fourth proportional to 1,468,494,517.47, 2,202,095,386.41 and 778,240,050.99 is: 1,167,017,517.20
Step by Step Solution
- Step 1: Write the proportion equation
1,468,494,517.47 : 2,202,095,386.41 = 778,240,050.99 : x - Step 2: Convert to fraction form
1,468,494,517.47/2,202,095,386.41 = 778,240,050.99/x - Step 3: Cross multiply
1,468,494,517.47x = 2,202,095,386.41 × 778,240,050.99 - Step 4: Simplify right side
1,468,494,517.47x = 1,713,758,825,804,562,176 - Step 5: Solve for x
x = 1,713,758,825,804,562,176/1,468,494,517.47 - Step 6: Final answer
x = 1,167,017,517.20
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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.