Finding the Fourth Proportional to 681,258,205.58, 940,136,735.58 and 367,992,557.96
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Solution
The fourth proportional to 681,258,205.58, 940,136,735.58 and 367,992,557.96 is: 507,829,952.46
Step by Step Solution
- Step 1: Write the proportion equation
681,258,205.58 : 940,136,735.58 = 367,992,557.96 : x - Step 2: Convert to fraction form
681,258,205.58/940,136,735.58 = 367,992,557.96/x - Step 3: Cross multiply
681,258,205.58x = 940,136,735.58 × 367,992,557.96 - Step 4: Simplify right side
681,258,205.58x = 345,963,322,153,547,648 - Step 5: Solve for x
x = 345,963,322,153,547,648/681,258,205.58 - Step 6: Final answer
x = 507,829,952.46
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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.