Finding the Fourth Proportional to 330,953,779.80, 456,748,475.81 and 247,176,463.75
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Solution
The fourth proportional to 330,953,779.80, 456,748,475.81 and 247,176,463.75 is: 341,127,613.47
Step by Step Solution
- Step 1: Write the proportion equation
330,953,779.80 : 456,748,475.81 = 247,176,463.75 : x - Step 2: Convert to fraction form
330,953,779.80/456,748,475.81 = 247,176,463.75/x - Step 3: Cross multiply
330,953,779.80x = 456,748,475.81 × 247,176,463.75 - Step 4: Simplify right side
330,953,779.80x = 112,897,473,071,540,464 - Step 5: Solve for x
x = 112,897,473,071,540,464/330,953,779.80 - Step 6: Final answer
x = 341,127,613.47
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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.