Finding the Fourth Proportional to 2,137,221,402,315.80, 2,949,367,435,675.20 and 1,161,739,277,754.70
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Solution
The fourth proportional to 2,137,221,402,315.80, 2,949,367,435,675.20 and 1,161,739,277,754.70 is: 1,603,201,236,353.82
Step by Step Solution
- Step 1: Write the proportion equation
2,137,221,402,315.80 : 2,949,367,435,675.20 = 1,161,739,277,754.70 : x - Step 2: Convert to fraction form
2,137,221,402,315.80/2,949,367,435,675.20 = 1,161,739,277,754.70/x - Step 3: Cross multiply
2,137,221,402,315.80x = 2,949,367,435,675.20 × 1,161,739,277,754.70 - Step 4: Simplify right side
2,137,221,402,315.80x = 3,426,395,994,554,538,607,509,504 - Step 5: Solve for x
x = 3,426,395,994,554,538,607,509,504/2,137,221,402,315.80 - Step 6: Final answer
x = 1,603,201,236,353.82
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.