Finding the Fourth Proportional to 330,953,747.14, 456,748,430.75 and 247,176,431.09
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Solution
The fourth proportional to 330,953,747.14, 456,748,430.75 and 247,176,431.09 is: 341,127,568.41
Step by Step Solution
- Step 1: Write the proportion equation
330,953,747.14 : 456,748,430.75 = 247,176,431.09 : x - Step 2: Convert to fraction form
330,953,747.14/456,748,430.75 = 247,176,431.09/x - Step 3: Cross multiply
330,953,747.14x = 456,748,430.75 × 247,176,431.09 - Step 4: Simplify right side
330,953,747.14x = 112,897,447,017,863,104 - Step 5: Solve for x
x = 112,897,447,017,863,104/330,953,747.14 - Step 6: Final answer
x = 341,127,568.41
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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.