Finding the Fourth Proportional to 1,163,606,248.26, 1,605,763,394.50 and 634,979,228.35
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Solution
The fourth proportional to 1,163,606,248.26, 1,605,763,394.50 and 634,979,228.35 is: 876,264,116.56
Step by Step Solution
- Step 1: Write the proportion equation
1,163,606,248.26 : 1,605,763,394.50 = 634,979,228.35 : x - Step 2: Convert to fraction form
1,163,606,248.26/1,605,763,394.50 = 634,979,228.35/x - Step 3: Cross multiply
1,163,606,248.26x = 1,605,763,394.50 × 634,979,228.35 - Step 4: Simplify right side
1,163,606,248.26x = 1,019,626,401,158,308,224 - Step 5: Solve for x
x = 1,019,626,401,158,308,224/1,163,606,248.26 - Step 6: Final answer
x = 876,264,116.56
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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.