Finding the Fourth Proportional to 467,817,723.36, 645,596,070.80 and 256,120,980.93
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Solution
The fourth proportional to 467,817,723.36, 645,596,070.80 and 256,120,980.93 is: 353,451,121.41
Step by Step Solution
- Step 1: Write the proportion equation
467,817,723.36 : 645,596,070.80 = 256,120,980.93 : x - Step 2: Convert to fraction form
467,817,723.36/645,596,070.80 = 256,120,980.93/x - Step 3: Cross multiply
467,817,723.36x = 645,596,070.80 × 256,120,980.93 - Step 4: Simplify right side
467,817,723.36x = 165,350,698,936,569,120 - Step 5: Solve for x
x = 165,350,698,936,569,120/467,817,723.36 - Step 6: Final answer
x = 353,451,121.41
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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.