Finding the Fourth Proportional to 502,244,480.40, 752,960,171.76 and 157,020,406.80
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Solution
The fourth proportional to 502,244,480.40, 752,960,171.76 and 157,020,406.80 is: 235,403,507.83
Step by Step Solution
- Step 1: Write the proportion equation
502,244,480.40 : 752,960,171.76 = 157,020,406.80 : x - Step 2: Convert to fraction form
502,244,480.40/752,960,171.76 = 157,020,406.80/x - Step 3: Cross multiply
502,244,480.40x = 752,960,171.76 × 157,020,406.80 - Step 4: Simplify right side
502,244,480.40x = 118,230,112,473,953,072 - Step 5: Solve for x
x = 118,230,112,473,953,072/502,244,480.40 - Step 6: Final answer
x = 235,403,507.83
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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.