Finding the Fourth Proportional to 3,120,436,878.16, 4,306,201,855.52 and 1,710,710,573.80
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Solution
The fourth proportional to 3,120,436,878.16, 4,306,201,855.52 and 1,710,710,573.80 is: 2,360,780,023.69
Step by Step Solution
- Step 1: Write the proportion equation
3,120,436,878.16 : 4,306,201,855.52 = 1,710,710,573.80 : x - Step 2: Convert to fraction form
3,120,436,878.16/4,306,201,855.52 = 1,710,710,573.80/x - Step 3: Cross multiply
3,120,436,878.16x = 4,306,201,855.52 × 1,710,710,573.80 - Step 4: Simplify right side
3,120,436,878.16x = 7,366,665,047,155,244,032 - Step 5: Solve for x
x = 7,366,665,047,155,244,032/3,120,436,878.16 - Step 6: Final answer
x = 2,360,780,023.69
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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.