Finding the Fourth Proportional to 1,062,774,655.72, 1,466,920,735.44 and 616,881,671.68
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Solution
The fourth proportional to 1,062,774,655.72, 1,466,920,735.44 and 616,881,671.68 is: 851,466,028.69
Step by Step Solution
- Step 1: Write the proportion equation
1,062,774,655.72 : 1,466,920,735.44 = 616,881,671.68 : x - Step 2: Convert to fraction form
1,062,774,655.72/1,466,920,735.44 = 616,881,671.68/x - Step 3: Cross multiply
1,062,774,655.72x = 1,466,920,735.44 × 616,881,671.68 - Step 4: Simplify right side
1,062,774,655.72x = 904,916,515,500,282,240 - Step 5: Solve for x
x = 904,916,515,500,282,240/1,062,774,655.72 - Step 6: Final answer
x = 851,466,028.69
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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.