Finding the Fourth Proportional to 2,685,743,422.80, 4,028,615,134.20 and 1,594,664,869.20
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Solution
The fourth proportional to 2,685,743,422.80, 4,028,615,134.20 and 1,594,664,869.20 is: 2,391,997,303.80
Step by Step Solution
- Step 1: Write the proportion equation
2,685,743,422.80 : 4,028,615,134.20 = 1,594,664,869.20 : x - Step 2: Convert to fraction form
2,685,743,422.80/4,028,615,134.20 = 1,594,664,869.20/x - Step 3: Cross multiply
2,685,743,422.80x = 4,028,615,134.20 × 1,594,664,869.20 - Step 4: Simplify right side
2,685,743,422.80x = 6,424,291,026,036,183,040 - Step 5: Solve for x
x = 6,424,291,026,036,183,040/2,685,743,422.80 - Step 6: Final answer
x = 2,391,997,303.80
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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.