Finding the Fourth Proportional to 426,508,840.06, 639,763,260.09 and 103,392,712.06
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Solution
The fourth proportional to 426,508,840.06, 639,763,260.09 and 103,392,712.06 is: 155,089,068.09
Step by Step Solution
- Step 1: Write the proportion equation
426,508,840.06 : 639,763,260.09 = 103,392,712.06 : x - Step 2: Convert to fraction form
426,508,840.06/639,763,260.09 = 103,392,712.06/x - Step 3: Cross multiply
426,508,840.06x = 639,763,260.09 × 103,392,712.06 - Step 4: Simplify right side
426,508,840.06x = 66,146,858,537,052,264 - Step 5: Solve for x
x = 66,146,858,537,052,264/426,508,840.06 - Step 6: Final answer
x = 155,089,068.09
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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.