Finding the Fourth Proportional to 456,725,272.23, 630,286,922.30 and 247,883,918.31
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Solution
The fourth proportional to 456,725,272.23, 630,286,922.30 and 247,883,918.31 is: 342,083,089.02
Step by Step Solution
- Step 1: Write the proportion equation
456,725,272.23 : 630,286,922.30 = 247,883,918.31 : x - Step 2: Convert to fraction form
456,725,272.23/630,286,922.30 = 247,883,918.31/x - Step 3: Cross multiply
456,725,272.23x = 630,286,922.30 × 247,883,918.31 - Step 4: Simplify right side
456,725,272.23x = 156,237,991,958,035,104 - Step 5: Solve for x
x = 156,237,991,958,035,104/456,725,272.23 - Step 6: Final answer
x = 342,083,089.02
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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.