Finding the Fourth Proportional to 2,292,292,227.21, 3,163,344,257.64 and 1,288,714,267.98
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Solution
The fourth proportional to 2,292,292,227.21, 3,163,344,257.64 and 1,288,714,267.98 is: 1,778,414,999.17
Step by Step Solution
- Step 1: Write the proportion equation
2,292,292,227.21 : 3,163,344,257.64 = 1,288,714,267.98 : x - Step 2: Convert to fraction form
2,292,292,227.21/3,163,344,257.64 = 1,288,714,267.98/x - Step 3: Cross multiply
2,292,292,227.21x = 3,163,344,257.64 × 1,288,714,267.98 - Step 4: Simplify right side
2,292,292,227.21x = 4,076,646,879,353,269,248 - Step 5: Solve for x
x = 4,076,646,879,353,269,248/2,292,292,227.21 - Step 6: Final answer
x = 1,778,414,999.17
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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.