Finding the Fourth Proportional to 826,591,829.60, 1,239,889,450.26 and 776,083,676.96
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Solution
The fourth proportional to 826,591,829.60, 1,239,889,450.26 and 776,083,676.96 is: 1,164,127,117.07
Step by Step Solution
- Step 1: Write the proportion equation
826,591,829.60 : 1,239,889,450.26 = 776,083,676.96 : x - Step 2: Convert to fraction form
826,591,829.60/1,239,889,450.26 = 776,083,676.96/x - Step 3: Cross multiply
826,591,829.60x = 1,239,889,450.26 × 776,083,676.96 - Step 4: Simplify right side
826,591,829.60x = 962,257,963,587,742,592 - Step 5: Solve for x
x = 962,257,963,587,742,592/826,591,829.60 - Step 6: Final answer
x = 1,164,127,117.07
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.