Finding the Fourth Proportional to 1,248,868,393.30, 1,873,297,607.24 and 558,291,369.97
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Solution
The fourth proportional to 1,248,868,393.30, 1,873,297,607.24 and 558,291,369.97 is: 837,434,827.50
Step by Step Solution
- Step 1: Write the proportion equation
1,248,868,393.30 : 1,873,297,607.24 = 558,291,369.97 : x - Step 2: Convert to fraction form
1,248,868,393.30/1,873,297,607.24 = 558,291,369.97/x - Step 3: Cross multiply
1,248,868,393.30x = 1,873,297,607.24 × 558,291,369.97 - Step 4: Simplify right side
1,248,868,393.30x = 1,045,845,887,507,542,656 - Step 5: Solve for x
x = 1,045,845,887,507,542,656/1,248,868,393.30 - Step 6: Final answer
x = 837,434,827.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.