Finding the Fourth Proportional to 1,758,907,542.64, 2,427,283,587.52 and 955,127,860.20
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Solution
The fourth proportional to 1,758,907,542.64, 2,427,283,587.52 and 955,127,860.20 is: 1,318,071,656.89
Step by Step Solution
- Step 1: Write the proportion equation
1,758,907,542.64 : 2,427,283,587.52 = 955,127,860.20 : x - Step 2: Convert to fraction form
1,758,907,542.64/2,427,283,587.52 = 955,127,860.20/x - Step 3: Cross multiply
1,758,907,542.64x = 2,427,283,587.52 × 955,127,860.20 - Step 4: Simplify right side
1,758,907,542.64x = 2,318,366,179,046,557,184 - Step 5: Solve for x
x = 2,318,366,179,046,557,184/1,758,907,542.64 - Step 6: Final answer
x = 1,318,071,656.89
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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.