Finding the Fourth Proportional to 2,565,714,253.20, 3,540,685,669.74 and 1,392,292,525.20
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Solution
The fourth proportional to 2,565,714,253.20, 3,540,685,669.74 and 1,392,292,525.20 is: 1,921,363,684.95
Step by Step Solution
- Step 1: Write the proportion equation
2,565,714,253.20 : 3,540,685,669.74 = 1,392,292,525.20 : x - Step 2: Convert to fraction form
2,565,714,253.20/3,540,685,669.74 = 1,392,292,525.20/x - Step 3: Cross multiply
2,565,714,253.20x = 3,540,685,669.74 × 1,392,292,525.20 - Step 4: Simplify right side
2,565,714,253.20x = 4,929,670,192,061,757,440 - Step 5: Solve for x
x = 4,929,670,192,061,757,440/2,565,714,253.20 - Step 6: Final answer
x = 1,921,363,684.95
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1.5x scale
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.