Finding the Fourth Proportional to 1,130,645,793.37, 1,560,181,887.96 and 654,241,132.09
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Solution
The fourth proportional to 1,130,645,793.37, 1,560,181,887.96 and 654,241,132.09 is: 902,789,512.54
Step by Step Solution
- Step 1: Write the proportion equation
1,130,645,793.37 : 1,560,181,887.96 = 654,241,132.09 : x - Step 2: Convert to fraction form
1,130,645,793.37/1,560,181,887.96 = 654,241,132.09/x - Step 3: Cross multiply
1,130,645,793.37x = 1,560,181,887.96 × 654,241,132.09 - Step 4: Simplify right side
1,130,645,793.37x = 1,020,735,164,645,873,792 - Step 5: Solve for x
x = 1,020,735,164,645,873,792/1,130,645,793.37 - Step 6: Final answer
x = 902,789,512.54
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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.