Finding the Fourth Proportional to 861,927,735,591.06, 1,292,892,847,715.70 and 351,986,502,676.07
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Solution
The fourth proportional to 861,927,735,591.06, 1,292,892,847,715.70 and 351,986,502,676.07 is: 527,980,262,162.33
Step by Step Solution
- Step 1: Write the proportion equation
861,927,735,591.06 : 1,292,892,847,715.70 = 351,986,502,676.07 : x - Step 2: Convert to fraction form
861,927,735,591.06/1,292,892,847,715.70 = 351,986,502,676.07/x - Step 3: Cross multiply
861,927,735,591.06x = 1,292,892,847,715.70 × 351,986,502,676.07 - Step 4: Simplify right side
861,927,735,591.06x = 455,080,831,802,354,014,617,600 - Step 5: Solve for x
x = 455,080,831,802,354,014,617,600/861,927,735,591.06 - Step 6: Final answer
x = 527,980,262,162.33
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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.