Finding the Fourth Proportional to 872,697,466.36, 1,204,348,057.74 and 476,246,001.88
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Solution
The fourth proportional to 872,697,466.36, 1,204,348,057.74 and 476,246,001.88 is: 657,233,427.94
Step by Step Solution
- Step 1: Write the proportion equation
872,697,466.36 : 1,204,348,057.74 = 476,246,001.88 : x - Step 2: Convert to fraction form
872,697,466.36/1,204,348,057.74 = 476,246,001.88/x - Step 3: Cross multiply
872,697,466.36x = 1,204,348,057.74 × 476,246,001.88 - Step 4: Simplify right side
872,697,466.36x = 573,565,947,370,618,368 - Step 5: Solve for x
x = 573,565,947,370,618,368/872,697,466.36 - Step 6: Final answer
x = 657,233,427.94
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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.