Finding the Fourth Proportional to 650,350,985.41, 897,460,327.71 and 352,986,843.09
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Solution
The fourth proportional to 650,350,985.41, 897,460,327.71 and 352,986,843.09 is: 487,108,799.68
Step by Step Solution
- Step 1: Write the proportion equation
650,350,985.41 : 897,460,327.71 = 352,986,843.09 : x - Step 2: Convert to fraction form
650,350,985.41/897,460,327.71 = 352,986,843.09/x - Step 3: Cross multiply
650,350,985.41x = 897,460,327.71 × 352,986,843.09 - Step 4: Simplify right side
650,350,985.41x = 316,791,687,876,869,760 - Step 5: Solve for x
x = 316,791,687,876,869,760/650,350,985.41 - Step 6: Final answer
x = 487,108,799.68
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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.