Finding the Fourth Proportional to 903,306,456.75, 1,246,584,397.59 and 506,858,775.33
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Solution
The fourth proportional to 903,306,456.75, 1,246,584,397.59 and 506,858,775.33 is: 699,477,166.79
Step by Step Solution
- Step 1: Write the proportion equation
903,306,456.75 : 1,246,584,397.59 = 506,858,775.33 : x - Step 2: Convert to fraction form
903,306,456.75/1,246,584,397.59 = 506,858,775.33/x - Step 3: Cross multiply
903,306,456.75x = 1,246,584,397.59 × 506,858,775.33 - Step 4: Simplify right side
903,306,456.75x = 631,842,241,107,953,152 - Step 5: Solve for x
x = 631,842,241,107,953,152/903,306,456.75 - Step 6: Final answer
x = 699,477,166.79
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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.