Finding the Fourth Proportional to 455,675,925.44, 628,835,796.36 and 246,832,068.08
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Solution
The fourth proportional to 455,675,925.44, 628,835,796.36 and 246,832,068.08 is: 340,629,889.43
Step by Step Solution
- Step 1: Write the proportion equation
455,675,925.44 : 628,835,796.36 = 246,832,068.08 : x - Step 2: Convert to fraction form
455,675,925.44/628,835,796.36 = 246,832,068.08/x - Step 3: Cross multiply
455,675,925.44x = 628,835,796.36 × 246,832,068.08 - Step 4: Simplify right side
455,675,925.44x = 155,216,840,098,272,544 - Step 5: Solve for x
x = 155,216,840,098,272,544/455,675,925.44 - Step 6: Final answer
x = 340,629,889.43
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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.