Finding the Fourth Proportional to 2,164,821,122.34, 2,987,453,149.02 and 1,174,746,539.34
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Solution
The fourth proportional to 2,164,821,122.34, 2,987,453,149.02 and 1,174,746,539.34 is: 1,621,150,224.39
Step by Step Solution
- Step 1: Write the proportion equation
2,164,821,122.34 : 2,987,453,149.02 = 1,174,746,539.34 : x - Step 2: Convert to fraction form
2,164,821,122.34/2,987,453,149.02 = 1,174,746,539.34/x - Step 3: Cross multiply
2,164,821,122.34x = 2,987,453,149.02 × 1,174,746,539.34 - Step 4: Simplify right side
2,164,821,122.34x = 3,509,500,248,251,630,080 - Step 5: Solve for x
x = 3,509,500,248,251,630,080/2,164,821,122.34 - Step 6: Final answer
x = 1,621,150,224.39
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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.