Finding the Fourth Proportional to 768,730,252.74, 1,153,292,012.10 and 223,471,786.74
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Solution
The fourth proportional to 768,730,252.74, 1,153,292,012.10 and 223,471,786.74 is: 335,264,841.81
Step by Step Solution
- Step 1: Write the proportion equation
768,730,252.74 : 1,153,292,012.10 = 223,471,786.74 : x - Step 2: Convert to fraction form
768,730,252.74/1,153,292,012.10 = 223,471,786.74/x - Step 3: Cross multiply
768,730,252.74x = 1,153,292,012.10 × 223,471,786.74 - Step 4: Simplify right side
768,730,252.74x = 257,728,226,576,956,704 - Step 5: Solve for x
x = 257,728,226,576,956,704/768,730,252.74 - Step 6: Final answer
x = 335,264,841.81
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1.5x scale
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.