Finding the Fourth Proportional to 531,415,421.84, 796,055,996.76 and 264,717,864.08
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Solution
The fourth proportional to 531,415,421.84, 796,055,996.76 and 264,717,864.08 is: 396,545,215.83
Step by Step Solution
- Step 1: Write the proportion equation
531,415,421.84 : 796,055,996.76 = 264,717,864.08 : x - Step 2: Convert to fraction form
531,415,421.84/796,055,996.76 = 264,717,864.08/x - Step 3: Cross multiply
531,415,421.84x = 796,055,996.76 × 264,717,864.08 - Step 4: Simplify right side
531,415,421.84x = 210,730,243,150,382,624 - Step 5: Solve for x
x = 210,730,243,150,382,624/531,415,421.84 - Step 6: Final answer
x = 396,545,215.83
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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.