Finding the Fourth Proportional to 2,258,319,067.80, 3,116,564,420.53 and 1,354,222,198.26
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Solution
The fourth proportional to 2,258,319,067.80, 3,116,564,420.53 and 1,354,222,198.26 is: 1,868,877,069.12
Step by Step Solution
- Step 1: Write the proportion equation
2,258,319,067.80 : 3,116,564,420.53 = 1,354,222,198.26 : x - Step 2: Convert to fraction form
2,258,319,067.80/3,116,564,420.53 = 1,354,222,198.26/x - Step 3: Cross multiply
2,258,319,067.80x = 3,116,564,420.53 × 1,354,222,198.26 - Step 4: Simplify right side
2,258,319,067.80x = 4,220,520,720,573,457,408 - Step 5: Solve for x
x = 4,220,520,720,573,457,408/2,258,319,067.80 - Step 6: Final answer
x = 1,868,877,069.12
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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.