Finding the Fourth Proportional to 2,162,312,029.28, 3,241,722,590.27 and 1,987,775,967.31
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Solution
The fourth proportional to 2,162,312,029.28, 3,241,722,590.27 and 1,987,775,967.31 is: 2,980,059,385.69
Step by Step Solution
- Step 1: Write the proportion equation
2,162,312,029.28 : 3,241,722,590.27 = 1,987,775,967.31 : x - Step 2: Convert to fraction form
2,162,312,029.28/3,241,722,590.27 = 1,987,775,967.31/x - Step 3: Cross multiply
2,162,312,029.28x = 3,241,722,590.27 × 1,987,775,967.31 - Step 4: Simplify right side
2,162,312,029.28x = 6,443,818,257,632,291,840 - Step 5: Solve for x
x = 6,443,818,257,632,291,840/2,162,312,029.28 - Step 6: Final answer
x = 2,980,059,385.69
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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.