Finding the Fourth Proportional to 464,873,610.69, 641,554,596.86 and 256,029,697.98
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Solution
The fourth proportional to 464,873,610.69, 641,554,596.86 and 256,029,697.98 is: 353,336,962.76
Step by Step Solution
- Step 1: Write the proportion equation
464,873,610.69 : 641,554,596.86 = 256,029,697.98 : x - Step 2: Convert to fraction form
464,873,610.69/641,554,596.86 = 256,029,697.98/x - Step 3: Cross multiply
464,873,610.69x = 641,554,596.86 × 256,029,697.98 - Step 4: Simplify right side
464,873,610.69x = 164,257,029,670,466,304 - Step 5: Solve for x
x = 164,257,029,670,466,304/464,873,610.69 - Step 6: Final answer
x = 353,336,962.76
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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.