Finding the Fourth Proportional to 1,523,067,392.48, 2,101,518,258.44 and 879,312,170.96
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Solution
The fourth proportional to 1,523,067,392.48, 2,101,518,258.44 and 879,312,170.96 is: 1,213,269,085.31
Step by Step Solution
- Step 1: Write the proportion equation
1,523,067,392.48 : 2,101,518,258.44 = 879,312,170.96 : x - Step 2: Convert to fraction form
1,523,067,392.48/2,101,518,258.44 = 879,312,170.96/x - Step 3: Cross multiply
1,523,067,392.48x = 2,101,518,258.44 × 879,312,170.96 - Step 4: Simplify right side
1,523,067,392.48x = 1,847,890,582,136,927,488 - Step 5: Solve for x
x = 1,847,890,582,136,927,488/1,523,067,392.48 - Step 6: Final answer
x = 1,213,269,085.31
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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.