Finding the Fourth Proportional to 395,201,931.63, 545,199,818.02 and 238,518,953.07
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Solution
The fourth proportional to 395,201,931.63, 545,199,818.02 and 238,518,953.07 is: 329,048,214.09
Step by Step Solution
- Step 1: Write the proportion equation
395,201,931.63 : 545,199,818.02 = 238,518,953.07 : x - Step 2: Convert to fraction form
395,201,931.63/545,199,818.02 = 238,518,953.07/x - Step 3: Cross multiply
395,201,931.63x = 545,199,818.02 × 238,518,953.07 - Step 4: Simplify right side
395,201,931.63x = 130,040,489,808,084,912 - Step 5: Solve for x
x = 130,040,489,808,084,912/395,201,931.63 - Step 6: Final answer
x = 329,048,214.09
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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.