Finding the Fourth Proportional to 1,557,973,821.40, 2,336,960,732.10 and 977,498,531.80
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Solution
The fourth proportional to 1,557,973,821.40, 2,336,960,732.10 and 977,498,531.80 is: 1,466,247,797.70
Step by Step Solution
- Step 1: Write the proportion equation
1,557,973,821.40 : 2,336,960,732.10 = 977,498,531.80 : x - Step 2: Convert to fraction form
1,557,973,821.40/2,336,960,732.10 = 977,498,531.80/x - Step 3: Cross multiply
1,557,973,821.40x = 2,336,960,732.10 × 977,498,531.80 - Step 4: Simplify right side
1,557,973,821.40x = 2,284,375,684,502,002,944 - Step 5: Solve for x
x = 2,284,375,684,502,002,944/1,557,973,821.40 - Step 6: Final answer
x = 1,466,247,797.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.