Finding the Fourth Proportional to 1,248,868,392.30, 1,873,297,605.74 and 558,291,368.97
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Solution
The fourth proportional to 1,248,868,392.30, 1,873,297,605.74 and 558,291,368.97 is: 837,434,825.99
Step by Step Solution
- Step 1: Write the proportion equation
1,248,868,392.30 : 1,873,297,605.74 = 558,291,368.97 : x - Step 2: Convert to fraction form
1,248,868,392.30/1,873,297,605.74 = 558,291,368.97/x - Step 3: Cross multiply
1,248,868,392.30x = 1,873,297,605.74 × 558,291,368.97 - Step 4: Simplify right side
1,248,868,392.30x = 1,045,845,884,794,016,512 - Step 5: Solve for x
x = 1,045,845,884,794,016,512/1,248,868,392.30 - Step 6: Final answer
x = 837,434,825.99
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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.